Subtract 42/60 from 20/50
20/50 - 42/60 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
20/50 = 20 × 6/50 × 6 = 120/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
42/60 = 42 × 5/60 × 5 = 210/300 - Subtract the two like fractions:
120/300 - 210/300 = 120 - 210/300 = -90/300 - After reducing the fraction, the answer is -3/10
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