Add 10/48 and 21/42
10/48 + 21/42 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
10/48 = 10 × 7/48 × 7 = 70/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
21/42 = 21 × 8/42 × 8 = 168/336 - Add the two like fractions:
70/336 + 168/336 = 70 + 168/336 = 238/336 - 238/336 simplified gives 17/24
- So, 10/48 + 21/42 = 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48+21/42 10/96+21/42 10/48+21/84 30/48+21/42 10/48+63/42 50/48+21/42 70/48+21/42