Created By : Abhinandan Kumar

Reviewed By : Rajashekhar Valipishetty

Last Updated : Oct 07, 2023


Addition of Fractions Calculator tool finds the fractions addition between the fractions 72/42 and 20/20 i.e 19/7 in a simple manner.




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How to Add Fractions 72/42 and 20/20?

The given fractions are 72/42 and 20/20

Firstly the L.C.M should be done for the denominators of the two fractions 72/42 and 20/20

72/42+20/20

The LCM of 42 and 20 (denominators of the fractions) is 420
2 42, 20
21, 10

So the lcm of the given numbers is 2 x 21 x 10 = 420


= 72 x 10 + 20 x 21/420

= 720 + 420/420

= 1140/420

= 19/7

Result: 19/7

FAQ’s on Adding Fractions 72/42 and 20/20

1. What is the addition of 72/42 and 20/20?

The addition of fractions 72/42 and 20/20 is 19/7.

2. How to add the sum of fractions 72/42 and 20/20?

You can add fractions 72/42 and 20/20 by finding the L.C.M of 42 and 20 i.e. 420. 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 72/42 and 20/20 on a calculator?

To add fractions on a calculator, you need to give 72/42 and 20/20 as inputs and press the calculate button. The tool will display the answer 19/7 as an answer in a short time.