Subtract 16/42 from 16/27
16/27 - 16/42 is 40/189.
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,
16/27 = 16 × 14/27 × 14 = 224/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
16/42 = 16 × 9/42 × 9 = 144/378 - Subtract the two like fractions:
224/378 - 144/378 = 224 - 144/378 = 80/378 - After reducing the fraction, the answer is 40/189
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