Add 7/60 and 21/8
1st number: 7/60, 2nd number: 2 5/8
7/60 + 21/8 is 329/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
7/60 = 7 × 2/60 × 2 = 14/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Add the two like fractions:
14/120 + 315/120 = 14 + 315/120 = 329/120 - So, 7/60 + 21/8 = 329/120
In mixed form: 289/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60+21/8 7/60+42/8 7/60+21/16 21/60+21/8 7/60+63/8 7/60+21/24 35/60+21/8 7/60+21/40 49/60+21/8 7/60+21/56