Subtract 20/35 from 8/63
8/63 - 20/35 is -4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Subtract the two like fractions:
40/315 - 180/315 = 40 - 180/315 = -140/315 - After reducing the fraction, the answer is -4/9
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