Subtract 35/49 from 20/80
20/80 - 35/49 is -13/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 49 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 80 × 49 = 3920,
20/80 = 20 × 49/80 × 49 = 980/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
35/49 = 35 × 80/49 × 80 = 2800/3920 - Subtract the two like fractions:
980/3920 - 2800/3920 = 980 - 2800/3920 = -1820/3920 - After reducing the fraction, the answer is -13/28
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