Subtract 18/90 from 10/60
10/60 - 18/90 is -1/30.
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,
10/60 = 10 × 3/60 × 3 = 30/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Subtract the two like fractions:
30/180 - 36/180 = 30 - 36/180 = -6/180 - After reducing the fraction, the answer is -1/30
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