Subtract 81/5 from 45/63
1st number: 45/63, 2nd number: 16 1/5
45/63 - 81/5 is -542/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
81/5 = 81 × 63/5 × 63 = 5103/315 - Subtract the two like fractions:
225/315 - 5103/315 = 225 - 5103/315 = -4878/315 - After reducing the fraction, the answer is -542/35
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