Subtract 16/42 from 54/27
1st number: 2 0/27, 2nd number: 16/42
54/27 - 16/42 is 34/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
54/27 = 54 × 14/27 × 14 = 756/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
16/42 = 16 × 9/42 × 9 = 144/378 - Subtract the two like fractions:
756/378 - 144/378 = 756 - 144/378 = 612/378 - After reducing the fraction, the answer is 34/21
- In mixed form: 113/21
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