Answers

Add 50/7 and 90/72

1^st number: 7 1/7, 2^nd number: 1 18/72

50/7 + 90/72 is 235/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 7 × 72 = 504,
   50/7 = 50 × 72/7 × 72 = 3600/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   90/72 = 90 × 7/72 × 7 = 630/504
4. Add the two like fractions:
   3600/504 + 630/504 = 3600 + 630/504 = 4230/504
5. 4230/504 simplified gives 235/28
6. So, 50/7 + 90/72 = 235/28
   In mixed form: 811/28

MathStep (Works offline)

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

Related: ⁵⁰/₁₄+⁹⁰/₇₂ ⁵⁰/₂₁+⁹⁰/₇₂ ⁵⁰/₃₅+⁹⁰/₇₂ ⁵⁰/₄₉+⁹⁰/₇₂

Add Fractions Calculator