Answers

Add 30/18 and 70/56

1^st number: 1 12/18, 2^nd number: 1 14/56

30/18 + 70/56 is 35/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 56 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 18 × 28 = 504,
   30/18 = 30 × 28/18 × 28 = 840/504
3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
   70/56 = 70 × 9/56 × 9 = 630/504
4. Add the two like fractions:
   840/504 + 630/504 = 840 + 630/504 = 1470/504
5. 1470/504 simplified gives 35/12
6. So, 30/18 + 70/56 = 35/12
   In mixed form: 211/12

MathStep (Works offline)

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

Related: ⁶⁰/₁₈+⁷⁰/₅₆ ³⁰/₃₆+⁷⁰/₅₆ ⁹⁰/₁₈+⁷⁰/₅₆ ³⁰/₅₄+⁷⁰/₅₆ ³⁰/₉₀+⁷⁰/₅₆

Add Fractions Calculator