Subtraction of Fractions having the Same Denominator

In subtraction of fractions having the same denominator, we just need to subtract the numerators of the fractions.

Follow the steps of subtraction of like fractions:

We can subtract in a similar way. 7/8 of the class are boys.
3/8 of the class are girls. By how much fraction are the boys more?

Subtraction of Fractions

Boys 7/8


Subtraction of Like Fraction

Girls 3/8

7/8 - 3/8
= (7 - 3)/8
= 4/8
The difference is 4/8 or 1/2
We can also reduce the fraction to the lowest term.
4/8 ÷ 4/4
= 1/2


Examples of subtracting fractions with the same denominator:

1. Subtract 3/8 from 7/8

Solution:

7/8 – 3/8

= (7 - 3)/8

subtracting fractions with the same denominator





= 1/2


2. Subtract 5/6 from 11/6

Solution:

11/6 – 5/6

= (11 - 5)/6

= 6/6

= 1/1

= 1


3. Subtract 7/9 from 11/9

Solution:

11/9 – 7/9

= (11 - 7)/9

= 4/9


4. Subtract 4/6 from 16/6

Solution:

16/6 – 4/6

= (16 - 4)/6

Subtraction of Fractions




= 2/1

= 2


5. Subtract 2/4 from 17/4

Solution:

17/4 – 2/4

= (17 - 2)/4

= 15/4

Related Concept

Fraction of a Whole Numbers

Representation of a Fraction

Equivalent Fractions

Properties of Equivalent Fractions

Like and Unlike Fractions

Comparison of Like Fractions

Comparison of Fractions having the same Numerator

Types of Fractions

Changing Fractions

Conversion of Fractions into Fractions having Same Denominator

Conversion of a Fraction into its Smallest and Simplest Form

Addition of Fractions having the Same Denominator

Subtraction of Fractions having the Same Denominator

Addition and Subtraction of Fractions on the Fraction Number Line


4th Grade Math Activities

From Subtraction of Fractions having the Same Denominator to HOME PAGE




Didn't find what you were looking for? Or want to know more information about Math Only Math. Use this Google Search to find what you need.



New! Comments

Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.