# What is 3/4 - 1/8? 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 3/4 and 1/8.

3/4 - 1/8 = 20/32 as simplified as 5/8 in fraction form

3/4 - 1/8 = 0.625 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 3/4 & 1/8 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 3/4-1/8?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 1/8 from 3/4. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 3/4 minus 1/8.
1. LCM method
2. Cross multiplication method.

Problem & Workout - LCM Method
What is 3/4 minus 1/8 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters & values.
Input parameters & values:
3/4 & 1/8
3/4-1/8 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 4 and 8 is 8.

step 3 To have the common denominator, multiply the LCM with both numerator & denominator
=(3 x 8)/(4 x 8)-(1 x 8)/(8 x 8)
=6/8-1/8
=(6 - 1)/8

step 4 Find difference between numerators and rewrite it in a single form.
=5/8
3/4-1/8=5/8

By using LCM method, 5/8 is the equivalent fraction by subtracting 1/8 from 3/4.

Problem & Workout - Cross Multiplication Method
step 1 Address formula, input parameters & values.
Input parameters & values:
3/4 & 1/8
3/4 - 1/8 = ?

step 2 Cross multiply both numerator & denominator, multiply both denominators and rewrite as below
= (3 x 8) - (1 x 4)/(4 x 8)

step 3 Simplify & rewrite the fraction
= (24 - 4)/32
= 20/32
= 5/8
3/4-1/8 = 5/8
By using cross multiplication method, 5/8 is the difference between two fractions 3/4 and 1/8. 