Subtract 18/20 from 5/30
5/30 - 18/20 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Subtract the two like fractions:
10/60 - 54/60 = 10 - 54/60 = -44/60 - After reducing the fraction, the answer is -11/15
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