Answers

Subtract 40/98 from 5/20

5/20 - 40/98 is -31/196.

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,
   5/20 = 5 × 49/20 × 49 = 245/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   40/98 = 40 × 10/98 × 10 = 400/980
4. Subtract the two like fractions:
   245/980 - 400/980 = 245 - 400/980 = -155/980
5. After reducing the fraction, the answer is -31/196

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