Add 16/42 and 72/27
1st number: 16/42, 2nd number: 2 18/27
16/42 + 72/27 is 64/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
16/42 = 16 × 9/42 × 9 = 144/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
72/27 = 72 × 14/27 × 14 = 1008/378 - Add the two like fractions:
144/378 + 1008/378 = 144 + 1008/378 = 1152/378 - 1152/378 simplified gives 64/21
- So, 16/42 + 72/27 = 64/21
In mixed form: 31/21
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