Answers

Subtract 27/98 from 81/28

1^st number: 2 25/28, 2^nd number: 27/98

81/28 - 27/98 is 513/196.

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,
   81/28 = 81 × 7/28 × 7 = 567/196
3. Likewise, for the 2nd fraction, since 98 × 2 = 196,
   27/98 = 27 × 2/98 × 2 = 54/196
4. Subtract the two like fractions:
   567/196 - 54/196 = 567 - 54/196 = 513/196
5. In mixed form: 2121/196

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