# What is 9/11 + 4/5? 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 9/11 and 4/5.

9/11 + 4/5 = 89/55 in fraction form

9/11 + 4/5 = 1.6182 in decimal form
This calculator, formula, step by step calculation and associated information for adding 9/11 and 4/5 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 9/11+4/5?

The below workout with step by step calculation shows how to find the equivalent fraction between 9/11 and 4/5 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 9/11 plus 4/5 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 9/11 plus 4/5 as a fraction by addition using LCM method?

step 1 Address formula, input parameters and values.
Input parameters and values:
9/11 & 4/5
9/11+4/5 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 11 and 5 is 55.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator
=(9 x 55)/(11 x 55)+(4 x 55)/(5 x 55)
=45/55+44/55
=(45 + 44)/55

step 4 Add both numerator and rewrite it in a single form.
=89/55
9/11+4/5=89/55

By using LCM method, 89/55 is the equivalent fraction by adding 9/11 and 4/5.

Problem and Workout - Cross Multiplication Method
step 1 Address formula and input values.
Input values:
9/11 & 4/5
9/11 + 4/5 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
= (9 x 5) + (4 x 11)/(11 x 5)

step 3 Simplify and rewrite the fraction
= (45 + 44)/55
9/11+4/5 = 89/55
By using cross multiplication method, 89/55 is the addition between two fractions 9/11 and 4/5. 