Add 5/56 and 21/7
1st number: 5/56, 2nd number: 3 0/7
5/56 + 21/7 is 173/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
5/56 = 5 × 1/56 × 1 = 5/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
21/7 = 21 × 8/7 × 8 = 168/56 - Add the two like fractions:
5/56 + 168/56 = 5 + 168/56 = 173/56 - So, 5/56 + 21/7 = 173/56
In mixed form: 35/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+21/7 5/56+42/7 5/56+21/14 15/56+21/7 5/56+63/7 25/56+21/7 5/56+21/35 35/56+21/7 5/56+21/49