Add 6/60 and 21/8
1st number: 6/60, 2nd number: 2 5/8
6/60 + 21/8 is 109/40.
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,
6/60 = 6 × 2/60 × 2 = 12/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Add the two like fractions:
12/120 + 315/120 = 12 + 315/120 = 327/120 - 327/120 simplified gives 109/40
- So, 6/60 + 21/8 = 109/40
In mixed form: 229/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60+21/8 6/60+42/8 6/60+21/16 18/60+21/8 6/60+63/8 6/60+21/24 30/60+21/8 6/60+21/40 42/60+21/8 6/60+21/56