Answers

Add 81/72 and 10/28

1^st number: 1 9/72, 2^nd number: 10/28

81/72 + 10/28 is 83/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   81/72 = 81 × 7/72 × 7 = 567/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   10/28 = 10 × 18/28 × 18 = 180/504
4. Add the two like fractions:
   567/504 + 180/504 = 567 + 180/504 = 747/504
5. 747/504 simplified gives 83/56
6. So, 81/72 + 10/28 = 83/56
   In mixed form: 127/56

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁸¹/₇₂+²⁰/₂₈ ⁸¹/₇₂+¹⁰/₅₆ ⁸¹/₇₂+³⁰/₂₈ ⁸¹/₇₂+¹⁰/₈₄ ⁸¹/₇₂+⁵⁰/₂₈ ⁸¹/₇₂+⁷⁰/₂₈

Add Fractions Calculator