Add 16/42 and 81/7
1st number: 16/42, 2nd number: 11 4/7
16/42 + 81/7 is 251/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
16/42 = 16 × 1/42 × 1 = 16/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
81/7 = 81 × 6/7 × 6 = 486/42 - Add the two like fractions:
16/42 + 486/42 = 16 + 486/42 = 502/42 - 502/42 simplified gives 251/21
- So, 16/42 + 81/7 = 251/21
In mixed form: 1120/21
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