Add 12/16 and 21/56
12/16 + 21/56 is 9/8.
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,
12/16 = 12 × 7/16 × 7 = 84/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
21/56 = 21 × 2/56 × 2 = 42/112 - Add the two like fractions:
84/112 + 42/112 = 84 + 42/112 = 126/112 - 126/112 simplified gives 9/8
- So, 12/16 + 21/56 = 9/8
In mixed form: 11/8
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