Answers

Add 80/15 and 75/56

1^st number: 5 5/15, 2^nd number: 1 19/56

80/15 + 75/56 is 1121/168.

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,
   80/15 = 80 × 56/15 × 56 = 4480/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   75/56 = 75 × 15/56 × 15 = 1125/840
4. Add the two like fractions:
   4480/840 + 1125/840 = 4480 + 1125/840 = 5605/840
5. 5605/840 simplified gives 1121/168
6. So, 80/15 + 75/56 = 1121/168
   In mixed form: 6113/168

MathStep (Works offline)

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

Related: ⁸⁰/₃₀+⁷⁵/₅₆ ⁸⁰/₄₅+⁷⁵/₅₆ ⁸⁰/₇₅+⁷⁵/₅₆

Add Fractions Calculator