Add 15/14 and 21/16
1st number: 1 1/14, 2nd number: 1 5/16
15/14 + 21/16 is 267/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
15/14 = 15 × 8/14 × 8 = 120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
120/112 + 147/112 = 120 + 147/112 = 267/112 - So, 15/14 + 21/16 = 267/112
In mixed form: 243/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+21/16 15/14+42/16 15/28+21/16 15/14+21/32 45/14+21/16 15/14+63/16 15/42+21/16 15/14+21/48 75/14+21/16 15/70+21/16 15/14+21/80 15/98+21/16