Answers

Add 50/7 and 84/72

1^st number: 7 1/7, 2^nd number: 1 12/72

50/7 + 84/72 is 349/42.

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,
   84/72 = 84 × 7/72 × 7 = 588/504
4. Add the two like fractions:
   3600/504 + 588/504 = 3600 + 588/504 = 4188/504
5. 4188/504 simplified gives 349/42
6. So, 50/7 + 84/72 = 349/42
   In mixed form: 813/42

MathStep (Works offline)

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

Related: ⁵⁰/₁₄+⁸⁴/₇₂ ⁵⁰/₂₁+⁸⁴/₇₂ ⁵⁰/₃₅+⁸⁴/₇₂ ⁵⁰/₄₉+⁸⁴/₇₂

Add Fractions Calculator