Subtract 9/98 from 72/80
72/80 - 9/98 is 198/245.
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,
72/80 = 72 × 49/80 × 49 = 3528/3920 - Likewise, for the 2nd fraction, since 98 × 40 = 3920,
9/98 = 9 × 40/98 × 40 = 360/3920 - Subtract the two like fractions:
3528/3920 - 360/3920 = 3528 - 360/3920 = 3168/3920 - After reducing the fraction, the answer is 198/245
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