Answers

Add 56/15 and 54/28

1^st number: 3 11/15, 2^nd number: 1 26/28

56/15 + 54/28 is 1189/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   56/15 = 56 × 28/15 × 28 = 1568/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   54/28 = 54 × 15/28 × 15 = 810/420
4. Add the two like fractions:
   1568/420 + 810/420 = 1568 + 810/420 = 2378/420
5. 2378/420 simplified gives 1189/210
6. So, 56/15 + 54/28 = 1189/210
   In mixed form: 5139/210

MathStep (Works offline)

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

Related: ⁵⁶/₃₀+⁵⁴/₂₈ ⁵⁶/₁₅+⁵⁴/₅₆ ⁵⁶/₄₅+⁵⁴/₂₈ ⁵⁶/₁₅+⁵⁴/₈₄ ⁵⁶/₇₅+⁵⁴/₂₈

Add Fractions Calculator