Subtract 20/50 from 4/64
4/64 - 20/50 is -27/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 50 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 64 × 25 = 1600,
4/64 = 4 × 25/64 × 25 = 100/1600 - Likewise, for the 2nd fraction, since 50 × 32 = 1600,
20/50 = 20 × 32/50 × 32 = 640/1600 - Subtract the two like fractions:
100/1600 - 640/1600 = 100 - 640/1600 = -540/1600 - After reducing the fraction, the answer is -27/80
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