Subtract 35/49 from 20/35
20/35 - 35/49 is -1/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
20/35 = 20 × 7/35 × 7 = 140/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
35/49 = 35 × 5/49 × 5 = 175/245 - Subtract the two like fractions:
140/245 - 175/245 = 140 - 175/245 = -35/245 - After reducing the fraction, the answer is -1/7
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