Add 56/16 and 21/72
1st number: 3 8/16, 2nd number: 21/72
56/16 + 21/72 is 91/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
56/16 = 56 × 9/16 × 9 = 504/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
21/72 = 21 × 2/72 × 2 = 42/144 - Add the two like fractions:
504/144 + 42/144 = 504 + 42/144 = 546/144 - 546/144 simplified gives 91/24
- So, 56/16 + 21/72 = 91/24
In mixed form: 319/24
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