Subtract 20/35 from 3/25
3/25 - 20/35 is -79/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
3/25 = 3 × 7/25 × 7 = 21/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
20/35 = 20 × 5/35 × 5 = 100/175 - Subtract the two like fractions:
21/175 - 100/175 = 21 - 100/175 = -79/175
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