Answers

Subtract 20/98 from 45/28

1^st number: 1 17/28, 2^nd number: 20/98

45/28 - 20/98 is 275/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 98 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   45/28 = 45 × 7/28 × 7 = 315/196
3. Likewise, for the 2nd fraction, since 98 × 2 = 196,
   20/98 = 20 × 2/98 × 2 = 40/196
4. Subtract the two like fractions:
   315/196 - 40/196 = 315 - 40/196 = 275/196
5. In mixed form: 179/196

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