Answers

Add 27/60 and 70/40

1^st number: 27/60, 2^nd number: 1 30/40

27/60 + 70/40 is 11/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   27/60 = 27 × 2/60 × 2 = 54/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   70/40 = 70 × 3/40 × 3 = 210/120
4. Add the two like fractions:
   54/120 + 210/120 = 54 + 210/120 = 264/120
5. 264/120 simplified gives 11/5
6. So, 27/60 + 70/40 = 11/5
   In mixed form: 21/5

MathStep (Works offline)

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

Related: ⁵⁴/₆₀+⁷⁰/₄₀ ²⁷/₆₀+⁷⁰/₈₀ ⁸¹/₆₀+⁷⁰/₄₀

Add Fractions Calculator