Subtract 8/9 from 20/35
20/35 - 8/9 is -20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
8/9 = 8 × 35/9 × 35 = 280/315 - Subtract the two like fractions:
180/315 - 280/315 = 180 - 280/315 = -100/315 - After reducing the fraction, the answer is -20/63
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