Add 21/60 and 63/24
1st number: 21/60, 2nd number: 2 15/24
21/60 + 63/24 is 119/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
21/60 = 21 × 2/60 × 2 = 42/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
63/24 = 63 × 5/24 × 5 = 315/120 - Add the two like fractions:
42/120 + 315/120 = 42 + 315/120 = 357/120 - 357/120 simplified gives 119/40
- So, 21/60 + 63/24 = 119/40
In mixed form: 239/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60+63/24 21/60+63/48 63/60+63/24 21/60+63/72