Add 8/7 and 21/16
1st number: 1 1/7, 2nd number: 1 5/16
8/7 + 21/16 is 275/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
8/7 = 8 × 16/7 × 16 = 128/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
128/112 + 147/112 = 128 + 147/112 = 275/112 - So, 8/7 + 21/16 = 275/112
In mixed form: 251/112
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