Answers

Add 56/28 and 30/72

1^st number: 2 0/28, 2^nd number: 30/72

56/28 + 30/72 is 29/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 28 × 18 = 504,
   56/28 = 56 × 18/28 × 18 = 1008/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   30/72 = 30 × 7/72 × 7 = 210/504
4. Add the two like fractions:
   1008/504 + 210/504 = 1008 + 210/504 = 1218/504
5. 1218/504 simplified gives 29/12
6. So, 56/28 + 30/72 = 29/12
   In mixed form: 25/12

MathStep (Works offline)

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

Related: ⁵⁶/₂₈+⁶⁰/₇₂ ⁵⁶/₂₈+⁹⁰/₇₂ ⁵⁶/₈₄+³⁰/₇₂

Add Fractions Calculator