Answers

Subtract 7/80 from 8/98

8/98 - 7/80 is -23/3920.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 98 × 40 = 3920,
   8/98 = 8 × 40/98 × 40 = 320/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   7/80 = 7 × 49/80 × 49 = 343/3920
4. Subtract the two like fractions:
   320/3920 - 343/3920 = 320 - 343/3920 = -23/3920

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