Subtract 27/42 from 7/60
7/60 - 27/42 is -221/420.
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,
7/60 = 7 × 7/60 × 7 = 49/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
27/42 = 27 × 10/42 × 10 = 270/420 - Subtract the two like fractions:
49/420 - 270/420 = 49 - 270/420 = -221/420
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