Subtract 27/90 from 12/60
12/60 - 27/90 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
12/60 = 12 × 3/60 × 3 = 36/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
27/90 = 27 × 2/90 × 2 = 54/180 - Subtract the two like fractions:
36/180 - 54/180 = 36 - 54/180 = -18/180 - After reducing the fraction, the answer is -1/10
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