Add 16/14 and 21/12
1st number: 1 2/14, 2nd number: 1 9/12
16/14 + 21/12 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
16/14 = 16 × 6/14 × 6 = 96/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
21/12 = 21 × 7/12 × 7 = 147/84 - Add the two like fractions:
96/84 + 147/84 = 96 + 147/84 = 243/84 - 243/84 simplified gives 81/28
- So, 16/14 + 21/12 = 81/28
In mixed form: 225/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/14+21/12 16/14+42/12 16/28+21/12 16/14+21/24 48/14+21/12 16/14+63/12 16/42+21/12 16/14+21/36 80/14+21/12 16/70+21/12 16/14+21/60 16/98+21/12 16/14+21/84