# What is 4/5 - 3/10?

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 4/5 and 3/10.

4/5 - 3/10 = 25/50 as simplified as 1/2 in fraction form

4/5 - 3/10 = 0.5 in decimal form

This calculator, formula, step by step calculation and associated information to find the difference between 4/5 & 3/10 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 4/5-3/10?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 3/10 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 3/10.

1. LCM method

2. Cross multiplication method.

__Problem & Workout - LCM Method__

What is 4/5 minus 3/10 as a fraction by subtraction using LCM method?

step 1 Address *formula*, input parameters & values.

Input parameters & values:

4/5 & 3/10

4/5-3/10 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators

The LCM for 5 and 10 is 10.

step 3 To have the common denominator, multiply the LCM with both numerator & denominator

=(4 x 10)/(5 x 10)-(3 x 10)/(10 x 10)

=8/10-3/10

=(8 - 3)/10

step 4 Find difference between numerators and rewrite it in a single form.

= *5/10*

=1/2

4/5-3/10=1/2

By using LCM method, **1/2** is the equivalent fraction by subtracting 3/10 from 4/5.

__Problem & Workout - Cross Multiplication Method__

step 1 Address formula, input parameters & values.

Input parameters & values:

4/5 & 3/10

4/5 - 3/10 = ?

step 2 Cross multiply both numerator & denominator, multiply both denominators and rewrite as below

= (4 x 10) - (3 x 5)/(5 x 10)

step 3 Simplify & rewrite the fraction

= (40 - 15)/50

= 25/50

= 1/2

4/5-3/10 = 1/2

By using cross multiplication method, **1/2** is the difference between two fractions 4/5 and 3/10.