Add 5/56 and 21/16
1st number: 5/56, 2nd number: 1 5/16
5/56 + 21/16 is 157/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
5/56 = 5 × 2/56 × 2 = 10/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
10/112 + 147/112 = 10 + 147/112 = 157/112 - So, 5/56 + 21/16 = 157/112
In mixed form: 145/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+21/16 5/56+42/16 5/56+21/32 15/56+21/16 5/56+63/16 5/56+21/48 25/56+21/16 5/56+21/80 35/56+21/16