Add 5/60 and 21/40
5/60 + 21/40 is 73/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
5/60 = 5 × 2/60 × 2 = 10/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
21/40 = 21 × 3/40 × 3 = 63/120 - Add the two like fractions:
10/120 + 63/120 = 10 + 63/120 = 73/120 - So, 5/60 + 21/40 = 73/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/60+21/40 5/60+42/40 5/60+21/80 15/60+21/40 5/60+63/40 25/60+21/40 35/60+21/40