# What is 5/7 + 2/11? 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 5/7 and 2/11.

5/7 + 2/11 = 69/77 in fraction form

5/7 + 2/11 = 0.8961 in decimal form
This calculator, formula, step by step calculation and associated information for adding 5/7 and 2/11 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 5/7+2/11?

The below workout with step by step calculation shows how to find the equivalent fraction between 5/7 and 2/11 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 5/7 plus 2/11 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 5/7 plus 2/11 as a fraction by addition using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
5/7 & 2/11
5/7+2/11 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 7 and 11 is 77.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(5 x 77)/(7 x 77)+(2 x 77)/(11 x 77)
=55/77+14/77
=(55 + 14)/77

step 4 Add both numerator and rewrite it in a single form.
=69/77
5/7+2/11=69/77

By using LCM method, 69/77 is the equivalent fraction by adding 5/7 and 2/11.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
5/7 & 2/11
5/7 + 2/11 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (5 x 11) + (2 x 7)/(7 x 11)

step 3 Simplify and rewrite the fraction
= (55 + 14)/77
5/7+2/11 = 69/77
By using cross multiplication method, 69/77 is the addition between two fractions 5/7 and 2/11. 