Answers

Subtract 2/98 from 21/20

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

21/20 - 2/98 is 1009/980.

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,
   21/20 = 21 × 49/20 × 49 = 1029/980
3. Likewise, for the 2nd fraction, since 98 × 10 = 980,
   2/98 = 2 × 10/98 × 10 = 20/980
4. Subtract the two like fractions:
   1029/980 - 20/980 = 1029 - 20/980 = 1009/980
5. In mixed form: 129/980

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