Subtract 81/20 from 1/63
1st number: 1/63, 2nd number: 4 1/20
1/63 - 81/20 is -5083/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
1/63 = 1 × 20/63 × 20 = 20/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
81/20 = 81 × 63/20 × 63 = 5103/1260 - Subtract the two like fractions:
20/1260 - 5103/1260 = 20 - 5103/1260 = -5083/1260
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