Answers

Add 30/15 and 50/56

1^st number: 2 0/15, 2^nd number: 50/56

30/15 + 50/56 is 81/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 15 × 56 = 840,
   30/15 = 30 × 56/15 × 56 = 1680/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   50/56 = 50 × 15/56 × 15 = 750/840
4. Add the two like fractions:
   1680/840 + 750/840 = 1680 + 750/840 = 2430/840
5. 2430/840 simplified gives 81/28
6. So, 30/15 + 50/56 = 81/28
   In mixed form: 225/28

MathStep (Works offline)

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

Related: ⁶⁰/₁₅+⁵⁰/₅₆ ⁹⁰/₁₅+⁵⁰/₅₆ ³⁰/₄₅+⁵⁰/₅₆ ³⁰/₇₅+⁵⁰/₅₆

Add Fractions Calculator