Add 4/21 and 9/48
4/21 + 9/48 is 127/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
9/48 = 9 × 7/48 × 7 = 63/336 - Add the two like fractions:
64/336 + 63/336 = 64 + 63/336 = 127/336 - So, 4/21 + 9/48 = 127/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+9/48 4/21+18/48 4/42+9/48 4/21+9/96 12/21+9/48 4/21+27/48 4/63+9/48 20/21+9/48 4/21+45/48 28/21+9/48 4/21+63/48