Subtract 5/45 from 4/63
4/63 - 5/45 is -1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
4/63 = 4 × 5/63 × 5 = 20/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
5/45 = 5 × 7/45 × 7 = 35/315 - Subtract the two like fractions:
20/315 - 35/315 = 20 - 35/315 = -15/315 - After reducing the fraction, the answer is -1/21
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