Answers

Add 90/72 and 30/56

1^st number: 1 18/72, 2^nd number: 30/56

90/72 + 30/56 is 25/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   90/72 = 90 × 7/72 × 7 = 630/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   30/56 = 30 × 9/56 × 9 = 270/504
4. Add the two like fractions:
   630/504 + 270/504 = 630 + 270/504 = 900/504
5. 900/504 simplified gives 25/14
6. So, 90/72 + 30/56 = 25/14
   In mixed form: 111/14

MathStep (Works offline)

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

Related: ⁹⁰/₇₂+⁶⁰/₅₆ ⁹⁰/₇₂+⁹⁰/₅₆

Add Fractions Calculator