# What is 7/9 - 5/8? 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 5/8.

7/9 - 5/8 = 11/72 in fraction form

7/9 - 5/8 = 0.1528 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 7/9 and 5/8 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 7/9-5/8?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 5/8 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 5/8.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 7/9 minus 5/8 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
7/9 & 5/8
7/9-5/8 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 9 and 8 is 72.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(7 x 72)/(9 x 72)-(5 x 72)/(8 x 72)
=56/72-45/72
=(56 - 45)/72

step 4 Find difference between numerators and rewrite it in a single form.
=11/72
7/9-5/8=11/72

By using LCM method, 11/72 is the equivalent fraction by subtracting 5/8 from 7/9.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
7/9 & 5/8
7/9 - 5/8 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (7 x 8) - (5 x 9)/(9 x 8)

step 3 Simplify and rewrite the fraction
= (56 - 45)/72
7/9-5/8 = 11/72
By using cross multiplication method, 11/72 is the difference between two fractions 7/9 and 5/8. 