Answers

Add 70/30 and 72/64

1^st number: 2 10/30, 2^nd number: 1 8/64

70/30 + 72/64 is 83/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   70/30 = 70 × 32/30 × 32 = 2240/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   72/64 = 72 × 15/64 × 15 = 1080/960
4. Add the two like fractions:
   2240/960 + 1080/960 = 2240 + 1080/960 = 3320/960
5. 3320/960 simplified gives 83/24
6. So, 70/30 + 72/64 = 83/24
   In mixed form: 311/24

MathStep (Works offline)

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

Related: ⁷⁰/₆₀+⁷²/₆₄ ⁷⁰/₉₀+⁷²/₆₄

Add Fractions Calculator