Add 10/24 and 21/72
10/24 + 21/72 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
10/24 = 10 × 3/24 × 3 = 30/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
30/72 + 21/72 = 30 + 21/72 = 51/72 - 51/72 simplified gives 17/24
- So, 10/24 + 21/72 = 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/24+21/72 10/24+42/72 10/48+21/72 30/24+21/72 10/24+63/72 10/72+21/72 50/24+21/72 70/24+21/72