Subtract 18/42 from 54/64
54/64 - 18/42 is 93/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 42 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 64 × 21 = 1344,
54/64 = 54 × 21/64 × 21 = 1134/1344 - Likewise, for the 2nd fraction, since 42 × 32 = 1344,
18/42 = 18 × 32/42 × 32 = 576/1344 - Subtract the two like fractions:
1134/1344 - 576/1344 = 1134 - 576/1344 = 558/1344 - After reducing the fraction, the answer is 93/224
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