Subtract 10/27 from 20/64
20/64 - 10/27 is -25/432.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 27 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 64 × 27 = 1728,
20/64 = 20 × 27/64 × 27 = 540/1728 - Likewise, for the 2nd fraction, since 27 × 64 = 1728,
10/27 = 10 × 64/27 × 64 = 640/1728 - Subtract the two like fractions:
540/1728 - 640/1728 = 540 - 640/1728 = -100/1728 - After reducing the fraction, the answer is -25/432
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