Subtract 20/42 from 2/60
2/60 - 20/42 is -31/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
2/60 = 2 × 7/60 × 7 = 14/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
20/42 = 20 × 10/42 × 10 = 200/420 - Subtract the two like fractions:
14/420 - 200/420 = 14 - 200/420 = -186/420 - After reducing the fraction, the answer is -31/70
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