Answers

Add 70/45 and 15/56

1^st number: 1 25/45, 2^nd number: 15/56

70/45 + 15/56 is 919/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 45 × 56 = 2520,
   70/45 = 70 × 56/45 × 56 = 3920/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   15/56 = 15 × 45/56 × 45 = 675/2520
4. Add the two like fractions:
   3920/2520 + 675/2520 = 3920 + 675/2520 = 4595/2520
5. 4595/2520 simplified gives 919/504
6. So, 70/45 + 15/56 = 919/504
   In mixed form: 1415/504

MathStep (Works offline)

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

Related: ⁷⁰/₄₅+³⁰/₅₆ ⁷⁰/₉₀+¹⁵/₅₆ ⁷⁰/₄₅+⁴⁵/₅₆ ⁷⁰/₄₅+⁷⁵/₅₆

Add Fractions Calculator