# What is 7/8 - 7/10? 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 7/8 and 7/10.

7/8 - 7/10 = 14/80 as simplified as 7/40 in fraction form

7/8 - 7/10 = 0.175 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 7/8 and 7/10 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 7/8-7/10?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 7/10 from 7/8. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 7/8 minus 7/10.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 7/8 minus 7/10 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
7/8 & 7/10
7/8-7/10 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 8 and 10 is 40.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(7 x 40)/(8 x 40)-(7 x 40)/(10 x 40)
=35/40-28/40
=(35 - 28)/40

step 4 Find difference between numerators and rewrite it in a single form.
=7/40
7/8-7/10=7/40

By using LCM method, 7/40 is the equivalent fraction by subtracting 7/10 from 7/8.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
7/8 & 7/10
7/8 - 7/10 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (7 x 10) - (7 x 8)/(8 x 10)

step 3 Simplify and rewrite the fraction
= (70 - 56)/80
= 14/80
= 7/40
7/8-7/10 = 7/40
By using cross multiplication method, 7/40 is the difference between two fractions 7/8 and 7/10. 