Subtract 18/98 from 8/80
8/80 - 18/98 is -41/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 98 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 98 × 40 = 3920,
18/98 = 18 × 40/98 × 40 = 720/3920 - Subtract the two like fractions:
392/3920 - 720/3920 = 392 - 720/3920 = -328/3920 - After reducing the fraction, the answer is -41/490
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