# What is 5/12 + 1/7? getcalc.com's two fractions addition calculator is an online basic math function tool to find what's the equivalent fraction for sum of two fractional numbers with different, unequal or unlike denominators 5/12 and 1/7.

5/12 + 1/7 = 47/84 in fraction form

5/12 + 1/7 = 0.5595 in decimal form
This calculator, formula, step by step calculation and associated information for adding 5/12 and 1/7 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions addition calculations efficiently.

## How to Find Equivalent Fraction for 5/12+1/7?

The below workout with step by step calculation shows how to find the equivalent fraction between 5/12 and 1/7 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 5/12 plus 1/7 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 5/12 plus 1/7 as a fraction by addition using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
5/12 & 1/7
5/12+1/7 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 12 and 7 is 84.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(5 x 84)/(12 x 84)+(1 x 84)/(7 x 84)
=35/84+12/84
=(35 + 12)/84

step 4 Add both numerator and rewrite it in a single form.
=47/84
5/12+1/7=47/84

By using LCM method, 47/84 is the equivalent fraction by adding 5/12 and 1/7.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
5/12 & 1/7
5/12 + 1/7 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (5 x 7) + (1 x 12)/(12 x 7)

step 3 Simplify and rewrite the fraction
= (35 + 12)/84
5/12+1/7 = 47/84
By using cross multiplication method, 47/84 is the addition between two fractions 5/12 and 1/7. 