Subtract 16/54 from 1/20
1/20 - 16/54 is -133/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
1/20 = 1 × 27/20 × 27 = 27/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
16/54 = 16 × 10/54 × 10 = 160/540 - Subtract the two like fractions:
27/540 - 160/540 = 27 - 160/540 = -133/540
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