Answers

Add 40/56 and 50/15

1^st number: 40/56, 2^nd number: 3 5/15

40/56 + 50/15 is 85/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 15 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   40/56 = 40 × 15/56 × 15 = 600/840
3. Likewise, for the 2nd fraction, since 15 × 56 = 840,
   50/15 = 50 × 56/15 × 56 = 2800/840
4. Add the two like fractions:
   600/840 + 2800/840 = 600 + 2800/840 = 3400/840
5. 3400/840 simplified gives 85/21
6. So, 40/56 + 50/15 = 85/21
   In mixed form: 41/21

MathStep (Works offline)

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

Related: ⁸⁰/₅₆+⁵⁰/₁₅ ⁴⁰/₅₆+⁵⁰/₃₀ ⁴⁰/₅₆+⁵⁰/₄₅ ⁴⁰/₅₆+⁵⁰/₇₅

Add Fractions Calculator