Subtract 42/50 from 28/64
28/64 - 42/50 is -161/400.
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,
28/64 = 28 × 25/64 × 25 = 700/1600 - Likewise, for the 2nd fraction, since 50 × 32 = 1600,
42/50 = 42 × 32/50 × 32 = 1344/1600 - Subtract the two like fractions:
700/1600 - 1344/1600 = 700 - 1344/1600 = -644/1600 - After reducing the fraction, the answer is -161/400
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