Subtract 24/60 from 15/42
15/42 - 24/60 is -3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
15/42 = 15 × 10/42 × 10 = 150/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
24/60 = 24 × 7/60 × 7 = 168/420 - Subtract the two like fractions:
150/420 - 168/420 = 150 - 168/420 = -18/420 - After reducing the fraction, the answer is -3/70
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