Subtract 7/80 from 20/98
20/98 - 7/80 is 457/3920.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 98 × 40 = 3920,
20/98 = 20 × 40/98 × 40 = 800/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
7/80 = 7 × 49/80 × 49 = 343/3920 - Subtract the two like fractions:
800/3920 - 343/3920 = 800 - 343/3920 = 457/3920
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