Add 21/7 and 1/56
1st number: 3 0/7, 2nd number: 1/56
21/7 + 1/56 is 169/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
21/7 = 21 × 8/7 × 8 = 168/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
1/56 = 1 × 1/56 × 1 = 1/56 - Add the two like fractions:
168/56 + 1/56 = 168 + 1/56 = 169/56 - So, 21/7 + 1/56 = 169/56
In mixed form: 31/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+1/56 21/7+2/56 21/14+1/56 63/7+1/56 21/7+3/56 21/7+5/56 21/35+1/56 21/7+7/56 21/49+1/56