Subtract 80/98 from 1/80
1/80 - 80/98 is -3151/3920.
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,
1/80 = 1 × 49/80 × 49 = 49/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
80/98 = 80 × 40/98 × 40 = 3200/3920 - Subtract the two like fractions:
49/3920 - 3200/3920 = 49 - 3200/3920 = -3151/3920
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