Add 42/49 and 81/16
1st number: 42/49, 2nd number: 5 1/16
42/49 + 81/16 is 663/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
42/49 = 42 × 16/49 × 16 = 672/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
81/16 = 81 × 49/16 × 49 = 3969/784 - Add the two like fractions:
672/784 + 3969/784 = 672 + 3969/784 = 4641/784 - 4641/784 simplified gives 663/112
- So, 42/49 + 81/16 = 663/112
In mixed form: 5103/112
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