Answers

Add 28/60 and 84/64

1^st number: 28/60, 2^nd number: 1 20/64

28/60 + 84/64 is 427/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 60 × 16 = 960,
   28/60 = 28 × 16/60 × 16 = 448/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   84/64 = 84 × 15/64 × 15 = 1260/960
4. Add the two like fractions:
   448/960 + 1260/960 = 448 + 1260/960 = 1708/960
5. 1708/960 simplified gives 427/240
6. So, 28/60 + 84/64 = 427/240
   In mixed form: 1187/240

MathStep (Works offline)

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

Related: ⁵⁶/₆₀+⁸⁴/₆₄ ⁸⁴/₆₀+⁸⁴/₆₄

Add Fractions Calculator