Answers

Subtract 20/5 from 63/98

1^st number: 63/98, 2^nd number: 4 0/5

63/98 - 20/5 is -47/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 5 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   63/98 = 63 × 5/98 × 5 = 315/490
3. Likewise, for the 2nd fraction, since 5 × 98 = 490,
   20/5 = 20 × 98/5 × 98 = 1960/490
4. Subtract the two like fractions:
   315/490 - 1960/490 = 315 - 1960/490 = -1645/490
5. After reducing the fraction, the answer is -47/14

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