Subtract 3/54 from 42/64
42/64 - 3/54 is 173/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 54 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 64 × 27 = 1728,
42/64 = 42 × 27/64 × 27 = 1134/1728 - Likewise, for the 2nd fraction, since 54 × 32 = 1728,
3/54 = 3 × 32/54 × 32 = 96/1728 - Subtract the two like fractions:
1134/1728 - 96/1728 = 1134 - 96/1728 = 1038/1728 - After reducing the fraction, the answer is 173/288
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