Subtract 6/80 from 21/98
21/98 - 6/80 is 39/280.
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,
21/98 = 21 × 40/98 × 40 = 840/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
6/80 = 6 × 49/80 × 49 = 294/3920 - Subtract the two like fractions:
840/3920 - 294/3920 = 840 - 294/3920 = 546/3920 - After reducing the fraction, the answer is 39/280
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