
How to Simplify Mathematical Expressions with Rules and Solved Examples
In Mathematics, sometimes you get complicated sums and long calculations, which is very common in fraction questions. Some students find it more difficult and take a long time to solve. But don’t worry, this article on simplification in Maths has a resolution for you. It will help you to simplify the fractions in easy ways. In this article, you'll learn what simplification is, how to simplify fractions, and the steps involved in simplifying fractions. You'll also find out how to do it step by step.
What is Simplification?
As you know, simplification of mathematical problems helps increase scores in exams and is also used in daily life like in malls you get 35% discount, flat discount or 20% discount up to Rs 100. You only need to use fundamental simplification rules to solve equations in this part.
Thus, simplifying an expression implies employing different procedures to reduce it to a simpler version. The operations required to simplify things are done in a set order called BODMAS.
Where,
B = Bracket
0 = of
D = Division
M = Multiplication
A = Addition
S = Subtraction
Introduction to Simplification
To simplify a fraction, reduce it to its most basic form. If a fraction's numerator and denominator only share the number one, it is said to be in its simplest form. The process of simplifying difficulties as we work to tackle fractional problems is essential. The value of the fraction won't change even after we simplify them. This indicates that the true fraction and the simplified fraction are two equivalent fractions. We shall discover a few simple methods for simplifying fractions in this article.
Simplifying Fractions
How to Simplify Fractions?
Simplify Fractions
Reducing a fraction to its simplest form is the definition of simplifying a fraction. If a fraction's numerator and denominator are coprime or share only the number one as a common factor, it is said to be in its simplest form. The given fraction is equal to the given fraction in its simplest form. For instance, the fraction $\dfrac{3}{4}$ is in its most basic form since the only element that 3 and 4 have in common is 1.
Let's attempt to gradually simplify the fraction $\dfrac{8}{24}$.
How to Simplify Fractions Step by Step?
How to Simplify Fractions Stepwise
Following is the process of how to simplify fractions step by step -
Step 1: Write the denominator and numerator's factors in step one.
The ratio between 8 and 24 is 1 through 8 factors: 2; 4; and 8
1, 2, 3, 4, 6, 8, 12, and 24 are the 24 factors.
Step 2: Verify the shared factors between the denominator and the numerator. 1, 2, 4, and 8 are the common factors of the numbers 8 and 24.
Step 3: Subtract the common components from the numerator and denominator until there is only one remaining.
The fraction that is so obtained is in its most basic form. Starting with a division of 2, $\dfrac{8}{24}$ becomes $\dfrac{\dfrac{8}{2}}{\dfrac{24}{2}}=\dfrac{4}{12}$.
Up until the point where we can no longer divide by 2, we will keep doing so. Thus, $\dfrac{\dfrac{4}{2}}{\dfrac{12}{2}}=\dfrac{2}{6}$, which is equal to $\dfrac{\dfrac{2}{2}}{\dfrac{6}{2}}=\dfrac{1}{3}$.
The fraction $\dfrac{8}{24}$ is thus represented by its simplest form, $\dfrac{1}{3}$.
Let's return to the original issue of how to make the fraction $\dfrac{8}{24}$ simpler. Between 8 and 24, 8 is their largest common factor. The simplest form of the fraction, which is $\dfrac{1}{3}$, can be obtained by immediately dividing the numerator, 8, by the denominator, 24, and vice versa.
How to Simplify Numbers
How to Simplify Numbers
Following is the way how to simplify numbers-
Round it Off.
Produce zeros. 200, therefore, becomes 199.
Round to an Order of Magnitude.
To the nearest "power of 10," round a lot. The result is that 218 becomes 100 and 2,180 becomes 1,000.
Slide the Decimal Point.
Rounding zeros are compacted by sliding the decimal point.
This makes 200,000,000 into 2 x 108. (exponential notation).
Replace it with a Number You Can Recall.
Find a nearby number that you can remember rather than rounding.
Thus, 218 can be easily converted to 222, 210, 200, or any number.
Solved Examples
Example 1: Simplify: $660 \div 22 \times(2+1)$
Ans: $660 \div 22 \times(2+1)$ (Solve parentheses first)
$=(660 \div 22) \times 3 \text { (From left to right, division appears first) }$
$=30 \times 3=90$
Example 2: Simplify: 37 − [28 + (19 − 7)]
Ans: $37-[28+(19-7)]$ First solve ( )
$=37-[28+12]$ Next, solve []
$=37-40$
$=77$
Practice Time
Q1. Simplify the expression: $4+(3 \times 4) \div 2$
Ans: 10
Q2. Simplify fractions: (i) $\dfrac{124}{136}$
(ii) $\dfrac{182}{192}$
Ans: (i) $\dfrac{31}{34}$
(ii) $\dfrac{91}96{}$
Conclusion
Simplification of expressions means rewriting the same algebraic expression with no like terms and in a compact manner. Making something simpler is making it less complex. When you describe a complex mathematical idea to a child in words they can easily understand, you are simplifying.
FAQs on Simplification in Maths Explained Clearly
1. What is simplification in Maths?
Simplification in Maths is the process of reducing an expression to its simplest form by performing operations using the correct order of operations. It involves combining like terms, applying arithmetic rules, and removing unnecessary brackets.
- Used in arithmetic and algebra
- Applies to fractions, exponents, roots, and brackets
- Follows the BODMAS/PEMDAS rule
2. What is the BODMAS rule in simplification?
The BODMAS rule states that operations must be performed in the order: Brackets, Orders, Division, Multiplication, Addition, and Subtraction. This rule ensures expressions are simplified correctly.
- B – Brackets
- O – Orders (powers and roots)
- D – Division
- M – Multiplication
- A – Addition
- S – Subtraction
3. How do you simplify algebraic expressions?
To simplify algebraic expressions, combine like terms and apply arithmetic operations correctly. Like terms have the same variables raised to the same powers.
- Example: 3x + 5x = 8x
- Example: 4x − 2x + 7 = 2x + 7
4. How do you simplify fractions?
To simplify fractions, divide the numerator and denominator by their greatest common divisor (GCD). This reduces the fraction to lowest terms.
- Example: 12/18
- GCD of 12 and 18 is 6
- 12 ÷ 6 = 2 and 18 ÷ 6 = 3
5. How do you simplify expressions with brackets?
To simplify expressions with brackets, first solve inside the brackets and then apply multiplication or other operations outside. Use the distributive property if needed.
- Example: 3(2 + 4)
- First: 2 + 4 = 6
- Then: 3 × 6 = 18
6. How do you simplify expressions with exponents?
To simplify expressions with exponents, apply the laws of exponents such as product, quotient, and power rules.
- am × an = am+n
- am ÷ an = am−n
- (am)n = amn
7. What is the difference between simplifying and solving?
Simplifying means rewriting an expression in its simplest form, while solving means finding the value of a variable. Simplifying does not always give a numerical answer.
- Simplify: 2x + 3x = 5x
- Solve: 5x = 10 → x = 2
8. How do you simplify negative numbers in expressions?
To simplify negative numbers, apply the rules of signs correctly during addition, subtraction, multiplication, and division.
- (−) × (−) = +
- (−) × (+) = −
- −3 + 5 = 2
- −7 − 2 = −9
9. Can you give an example of simplifying a mixed expression?
A mixed expression is simplified by following the order of operations step by step. Example: 6 + 2 × (5 − 3)
- Step 1: Brackets → 5 − 3 = 2
- Step 2: Multiplication → 2 × 2 = 4
- Step 3: Addition → 6 + 4 = 10
10. What are common mistakes to avoid in simplification?
Common mistakes in simplification include ignoring the BODMAS rule and combining unlike terms. Avoiding these errors ensures correct results.
- Adding unlike terms (e.g., 2x + 3 ≠ 5x)
- Forgetting negative signs
- Not simplifying fractions fully
- Ignoring exponent rules





















