Subtract 63/20 from 7/27
1st number: 7/27, 2nd number: 3 3/20
7/27 - 63/20 is -1561/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
7/27 = 7 × 20/27 × 20 = 140/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
63/20 = 63 × 27/20 × 27 = 1701/540 - Subtract the two like fractions:
140/540 - 1701/540 = 140 - 1701/540 = -1561/540
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