# What is 4/5 - 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 4/5 and 1/8.

4/5 - 1/8 = 27/40 in fraction form

4/5 - 1/8 = 0.675 in decimal form
This calculator, formula, step by step calculation and associated information to find the difference between 4/5 & 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 4/5-1/8?

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 4/5. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 4/5 minus 1/8.
1. LCM method
2. Cross multiplication method.

Problem & Workout - LCM Method
What is 4/5 minus 1/8 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters & values.
Input parameters & values:
4/5 & 1/8
4/5-1/8 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 5 and 8 is 40.

step 3 To have the common denominator, multiply the LCM with both numerator & denominator
=(4 x 40)/(5 x 40)-(1 x 40)/(8 x 40)
=32/40-5/40
=(32 - 5)/40

step 4 Find difference between numerators and rewrite it in a single form.
=27/40
4/5-1/8=27/40

By using LCM method, 27/40 is the equivalent fraction by subtracting 1/8 from 4/5.

Problem & Workout - Cross Multiplication Method
step 1 Address formula, input parameters & values.
Input parameters & values:
4/5 & 1/8
4/5 - 1/8 = ?

step 2 Cross multiply both numerator & denominator, multiply both denominators and rewrite as below
= (4 x 8) - (1 x 5)/(5 x 8)

step 3 Simplify & rewrite the fraction
= (32 - 5)/40
4/5-1/8 = 27/40
By using cross multiplication method, 27/40 is the difference between two fractions 4/5 and 1/8. 