What is 7/10 - 3/5?

The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 3/5 from 7/10. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 7/10 minus 3/5.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 7/10 minus 3/5 as a fraction by subtraction using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
7/10 & 3/5
7/10-3/5 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 10 and 5 is 10.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(7 x 10)/(10 x 10)-(3 x 10)/(5 x 10)
=7/10-6/10
=(7 - 6)/10

step 4 Find difference between numerators and rewrite it in a single form.
=1/10
7/10-3/5=1/10

By using LCM method, 1/10 is the equivalent fraction by subtracting 3/5 from 7/10.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
7/10 & 3/5
7/10 - 3/5 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (7 x 5) - (3 x 10)/(10 x 5)

step 3 Simplify and rewrite the fraction
= (35 - 30)/50
= 5/50
= 1/10
7/10-3/5 = 1/10
By using cross multiplication method, 1/10 is the difference between two fractions 7/10 and 3/5.