Add 16/21 and 14/28
16/21 + 14/28 is 53/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
16/21 = 16 × 4/21 × 4 = 64/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
14/28 = 14 × 3/28 × 3 = 42/84 - Add the two like fractions:
64/84 + 42/84 = 64 + 42/84 = 106/84 - 106/84 simplified gives 53/42
- So, 16/21 + 14/28 = 53/42
In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+14/28 16/42+14/28 16/21+14/56 48/21+14/28 16/21+42/28 16/63+14/28 16/21+14/84 80/21+14/28 16/21+70/28 16/21+98/28