Add 21/56 and 15/7
1st number: 21/56, 2nd number: 2 1/7
21/56 + 15/7 is 141/56.
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,
21/56 = 21 × 1/56 × 1 = 21/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Add the two like fractions:
21/56 + 120/56 = 21 + 120/56 = 141/56 - So, 21/56 + 15/7 = 141/56
In mixed form: 229/56
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