Subtract 18/49 from 8/80
8/80 - 18/49 is -131/490.
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,
8/80 = 8 × 49/80 × 49 = 392/3920 - Likewise, for the 2nd fraction, since 49 × 80 = 3920,
18/49 = 18 × 80/49 × 80 = 1440/3920 - Subtract the two like fractions:
392/3920 - 1440/3920 = 392 - 1440/3920 = -1048/3920 - After reducing the fraction, the answer is -131/490
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