Subtract 42/50 from 1/5
1/5 - 42/50 is -16/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 5 × 10 = 50,
1/5 = 1 × 10/5 × 10 = 10/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
42/50 = 42 × 1/50 × 1 = 42/50 - Subtract the two like fractions:
10/50 - 42/50 = 10 - 42/50 = -32/50 - After reducing the fraction, the answer is -16/25
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