# What is 7/9 - 7/12? getcalc.com's two fractions subtraction calculator is an online basic math function tool to find what's the equivalent fraction for difference between two fractional numbers with different, unequal or unlike denominators 7/9 and 7/12.

7/9 - 7/12 = 21/108 as simplified as 7/36 in fraction form

7/9 - 7/12 = 0.1944 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 7/9 and 7/12 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions subtraction calculations efficiently.

## How to Find Equivalent Fraction for 7/9-7/12?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 7/12 from 7/9. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 7/9 minus 7/12.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 7/9 minus 7/12 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
7/9 & 7/12
7/9-7/12 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 9 and 12 is 36.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(7 x 36)/(9 x 36)-(7 x 36)/(12 x 36)
=28/36-21/36
=(28 - 21)/36

step 4 Find difference between numerators and rewrite it in a single form.
=7/36
7/9-7/12=7/36

By using LCM method, 7/36 is the equivalent fraction by subtracting 7/12 from 7/9.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
7/9 & 7/12
7/9 - 7/12 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (7 x 12) - (7 x 9)/(9 x 12)

step 3 Simplify and rewrite the fraction
= (84 - 63)/108
= 21/108
= 7/36
7/9-7/12 = 7/36
By using cross multiplication method, 7/36 is the difference between two fractions 7/9 and 7/12. 