What is 7/12 + 3/10?

The below workout with step by step calculation shows how to find the equivalent fraction between 7/12 and 3/10 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 7/12 plus 3/10 can be obtained by using anyone of the two methods below.
1. LCM method
2. Cross multiplication method.

Problem and Workout - LCM Method
What is 7/12 plus 3/10 as a fraction by addition using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
7/12 & 3/10
7/12+3/10 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 12 and 10 is 60.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(7 x 60)/(12 x 60)+(3 x 60)/(10 x 60)
=35/60+18/60
=(35 + 18)/60

step 4 Add both numerator and rewrite it in a single form.
=53/60
7/12+3/10=53/60

By using LCM method, 53/60 is the equivalent fraction by adding 7/12 and 3/10.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
7/12 & 3/10
7/12 + 3/10 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (7 x 10) + (3 x 12)/(12 x 10)

step 3 Simplify and rewrite the fraction
= (70 + 36)/120
= 106/120
= 53/60
7/12+3/10 = 53/60
By using cross multiplication method, 53/60 is the addition between two fractions 7/12 and 3/10.