Answers

Add 56/42 and 60/72

1^st number: 1 14/42, 2^nd number: 60/72

56/42 + 60/72 is 13/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   56/42 = 56 × 12/42 × 12 = 672/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   60/72 = 60 × 7/72 × 7 = 420/504
4. Add the two like fractions:
   672/504 + 420/504 = 672 + 420/504 = 1092/504
5. 1092/504 simplified gives 13/6
6. So, 56/42 + 60/72 = 13/6
   In mixed form: 21/6

MathStep (Works offline)

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

Related: ⁵⁶/₈₄+⁶⁰/₇₂

Add Fractions Calculator