Subtract 42/50 from 27/40
27/40 - 42/50 is -33/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
27/40 = 27 × 5/40 × 5 = 135/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
42/50 = 42 × 4/50 × 4 = 168/200 - Subtract the two like fractions:
135/200 - 168/200 = 135 - 168/200 = -33/200
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