Answers

Add 30/15 and 70/64

1^st number: 2 0/15, 2^nd number: 1 6/64

30/15 + 70/64 is 99/32.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 15 × 64 = 960,
   30/15 = 30 × 64/15 × 64 = 1920/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   70/64 = 70 × 15/64 × 15 = 1050/960
4. Add the two like fractions:
   1920/960 + 1050/960 = 1920 + 1050/960 = 2970/960
5. 2970/960 simplified gives 99/32
6. So, 30/15 + 70/64 = 99/32
   In mixed form: 33/32

MathStep (Works offline)

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

Related: ⁶⁰/₁₅+⁷⁰/₆₄ ⁹⁰/₁₅+⁷⁰/₆₄ ³⁰/₄₅+⁷⁰/₆₄ ³⁰/₇₅+⁷⁰/₆₄

Add Fractions Calculator