Add 25/60 and 21/15
1st number: 25/60, 2nd number: 1 6/15
25/60 + 21/15 is 109/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
25/60 = 25 × 1/60 × 1 = 25/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Add the two like fractions:
25/60 + 84/60 = 25 + 84/60 = 109/60 - So, 25/60 + 21/15 = 109/60
In mixed form: 149/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+21/15 25/60+42/15 25/60+21/30 75/60+21/15 25/60+63/15 25/60+21/45 25/60+21/75