Add 1/7 and 21/16
1st number: 1/7, 2nd number: 1 5/16
1/7 + 21/16 is 163/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
1/7 = 1 × 16/7 × 16 = 16/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
16/112 + 147/112 = 16 + 147/112 = 163/112 - So, 1/7 + 21/16 = 163/112
In mixed form: 151/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+21/16 1/7+42/16 1/14+21/16 1/7+21/32 3/7+21/16 1/7+63/16 1/21+21/16 1/7+21/48 5/7+21/16 1/35+21/16 1/7+21/80 1/49+21/16