Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Mar 28, 2025


Addition of Fractions Calculator tool finds the fractions addition between the fractions 20/9 and 18/13 i.e 422/117 in a simple manner.




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How to Add Fractions 20/9 and 18/13?

The given fractions are 20/9 and 18/13

Firstly the L.C.M should be done for the denominators of the two fractions 20/9 and 18/13

20/9+18/13

The LCM of 9 and 13 (denominators of the fractions) is 117

Given numbers has no common factors except 1. So, there LCM is their product i.e 117


= 20 x 13 + 18 x 9/117

= 260 + 162/117

= 422/117

Result: 422/117

FAQ’s on Adding Fractions 20/9 and 18/13

1. What is the addition of 20/9 and 18/13?

The addition of fractions 20/9 and 18/13 is 422/117.

2. How to add the sum of fractions 20/9 and 18/13?

You can add fractions 20/9 and 18/13 by finding the L.C.M of 9 and 13 i.e. 117. After that multiply the numerator and denominator of every fraction by the number of times each fraction denominator goes into the L.C.M. Finally add the numerators of the fraction.

3. How do you add fractions 20/9 and 18/13 on a calculator?

To add fractions on a calculator, you need to give 20/9 and 18/13 as inputs and press the calculate button. The tool will display the answer 422/117 as an answer in a short time.