Add 3/7 and 21/48
3/7 + 21/48 is 97/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 7 × 48 = 336,
3/7 = 3 × 48/7 × 48 = 144/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
144/336 + 147/336 = 144 + 147/336 = 291/336 - 291/336 simplified gives 97/112
- So, 3/7 + 21/48 = 97/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+21/48 3/7+42/48 3/14+21/48 3/7+21/96 9/7+21/48 3/7+63/48 3/21+21/48 15/7+21/48 3/35+21/48 21/7+21/48 3/49+21/48