Answers

Add 60/40 and 15/54

1^st number: 1 20/40, 2^nd number: 15/54

60/40 + 15/54 is 16/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   60/40 = 60 × 27/40 × 27 = 1620/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   15/54 = 15 × 20/54 × 20 = 300/1080
4. Add the two like fractions:
   1620/1080 + 300/1080 = 1620 + 300/1080 = 1920/1080
5. 1920/1080 simplified gives 16/9
6. So, 60/40 + 15/54 = 16/9
   In mixed form: 17/9

MathStep (Works offline)

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

Related: ⁶⁰/₄₀+³⁰/₅₄ ⁶⁰/₈₀+¹⁵/₅₄ ⁶⁰/₄₀+⁴⁵/₅₄ ⁶⁰/₄₀+⁷⁵/₅₄

Add Fractions Calculator