Subtract 21/80 from 27/98
27/98 - 21/80 is 51/3920.
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,
27/98 = 27 × 40/98 × 40 = 1080/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
21/80 = 21 × 49/80 × 49 = 1029/3920 - Subtract the two like fractions:
1080/3920 - 1029/3920 = 1080 - 1029/3920 = 51/3920
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