Subtract 18/35 from 20/25
20/25 - 18/35 is 2/7.
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,
20/25 = 20 × 7/25 × 7 = 140/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
18/35 = 18 × 5/35 × 5 = 90/175 - Subtract the two like fractions:
140/175 - 90/175 = 140 - 90/175 = 50/175 - After reducing the fraction, the answer is 2/7
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