Add 21/16 and 15/56
1st number: 1 5/16, 2nd number: 15/56
21/16 + 15/56 is 177/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
15/56 = 15 × 2/56 × 2 = 30/112 - Add the two like fractions:
147/112 + 30/112 = 147 + 30/112 = 177/112 - So, 21/16 + 15/56 = 177/112
In mixed form: 165/112
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