What is 9/7 - 3/4?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 3/4 from 9/7. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 9/7 minus 3/4.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 9/7 minus 3/4 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
9/7 & 3/4
9/7-3/4 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 7 and 4 is 28.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(9 x 28)/(7 x 28)-(3 x 28)/(4 x 28)
=36/28-21/28
=(36 - 21)/28

step 4 Find difference between numerators and rewrite it in a single form.
=15/28
9/7-3/4=15/28

By using LCM method, 15/28 is the equivalent fraction by subtracting 3/4 from 9/7.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
9/7 & 3/4
9/7 - 3/4 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (9 x 4) - (3 x 7)/(7 x 4)

step 3 Simplify and rewrite the fraction
= (36 - 21)/28
9/7-3/4 = 15/28
By using cross multiplication method, 15/28 is the difference between two fractions 9/7 and 3/4.