Answers

Subtract 45/98 from 63/20

1^st number: 3 3/20, 2^nd number: 45/98

63/20 - 45/98 is 2637/980.

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,
   63/20 = 63 × 49/20 × 49 = 3087/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   45/98 = 45 × 10/98 × 10 = 450/980
4. Subtract the two like fractions:
   3087/980 - 450/980 = 3087 - 450/980 = 2637/980
5. In mixed form: 2677/980

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