Answers

Add 15/5 and 56/7

1^st number: 3 0/5, 2^nd number: 8 0/7

15/5 + 56/7 is 11/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 7 is 35
   
   Next, find the equivalent fraction of both fractional numbers with denominator 35
2. For the 1st fraction, since 5 × 7 = 35,
   15/5 = 15 × 7/5 × 7 = 105/35
3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
   56/7 = 56 × 5/7 × 5 = 280/35
4. Add the two like fractions:
   105/35 + 280/35 = 105 + 280/35 = 385/35
5. 385/35 simplified gives 11/1
6. So, 15/5 + 56/7 = 11/1

MathStep (Works offline)

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

Related: ³⁰/₅+⁵⁶/₇ ¹⁵/₁₀+⁵⁶/₇ ¹⁵/₅+⁵⁶/₁₄ ⁴⁵/₅+⁵⁶/₇ ¹⁵/₅+⁵⁶/₂₁ ⁷⁵/₅+⁵⁶/₇ ¹⁵/₂₅+⁵⁶/₇ ¹⁵/₅+⁵⁶/₃₅ ¹⁵/₃₅+⁵⁶/₇ ¹⁵/₅+⁵⁶/₄₉

Add Fractions Calculator