Answers

Add 50/72 and 21/16

1^st number: 50/72, 2^nd number: 1 5/16

50/72 + 21/16 is 289/144.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 72 × 2 = 144,
   50/72 = 50 × 2/72 × 2 = 100/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   21/16 = 21 × 9/16 × 9 = 189/144
4. Add the two like fractions:
   100/144 + 189/144 = 100 + 189/144 = 289/144
5. So, 50/72 + 21/16 = 289/144
   In mixed form: 21/144

MathStep (Works offline)

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

Related: ⁵⁰/₇₂+⁴²/₁₆ ⁵⁰/₇₂+²¹/₃₂ ⁵⁰/₇₂+⁶³/₁₆ ⁵⁰/₇₂+²¹/₄₈ ⁵⁰/₇₂+²¹/₈₀

Add Fractions Calculator