Subtract 63/20 from 1/54
1st number: 1/54, 2nd number: 3 3/20
1/54 - 63/20 is -1691/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
1/54 = 1 × 10/54 × 10 = 10/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
63/20 = 63 × 27/20 × 27 = 1701/540 - Subtract the two like fractions:
10/540 - 1701/540 = 10 - 1701/540 = -1691/540
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