Answers

Add 70/56 and 12/45

1^st number: 1 14/56, 2^nd number: 12/45

70/56 + 12/45 is 91/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 45 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   70/56 = 70 × 45/56 × 45 = 3150/2520
3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
   12/45 = 12 × 56/45 × 56 = 672/2520
4. Add the two like fractions:
   3150/2520 + 672/2520 = 3150 + 672/2520 = 3822/2520
5. 3822/2520 simplified gives 91/60
6. So, 70/56 + 12/45 = 91/60
   In mixed form: 131/60

MathStep (Works offline)

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

Related: ⁷⁰/₅₆+²⁴/₄₅ ⁷⁰/₅₆+¹²/₉₀ ⁷⁰/₅₆+³⁶/₄₅ ⁷⁰/₅₆+⁶⁰/₄₅ ⁷⁰/₅₆+⁸⁴/₄₅

Add Fractions Calculator