Answers

Subtract 80/98 from 1/20

1/20 - 80/98 is -751/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 98 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   1/20 = 1 × 49/20 × 49 = 49/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   80/98 = 80 × 10/98 × 10 = 800/980
4. Subtract the two like fractions:
   49/980 - 800/980 = 49 - 800/980 = -751/980

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