Add 2/5 and 21/60
2/5 + 21/60 is 3/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
2/5 = 2 × 12/5 × 12 = 24/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
24/60 + 21/60 = 24 + 21/60 = 45/60 - 45/60 simplified gives 3/4
- So, 2/5 + 21/60 = 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5+21/60 2/5+42/60 2/10+21/60 6/5+21/60 2/5+63/60 2/15+21/60 10/5+21/60 2/25+21/60 14/5+21/60 2/35+21/60