Subtract 20/45 from 5/35
5/35 - 20/45 is -19/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
5/35 = 5 × 9/35 × 9 = 45/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
20/45 = 20 × 7/45 × 7 = 140/315 - Subtract the two like fractions:
45/315 - 140/315 = 45 - 140/315 = -95/315 - After reducing the fraction, the answer is -19/63
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