Add 16/21 and 21/48
16/21 + 21/48 is 403/336.
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,
16/21 = 16 × 16/21 × 16 = 256/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
256/336 + 147/336 = 256 + 147/336 = 403/336 - So, 16/21 + 21/48 = 403/336
In mixed form: 167/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+21/48 16/21+42/48 16/42+21/48 16/21+21/96 48/21+21/48 16/21+63/48 16/63+21/48 80/21+21/48