Answers

Subtract 96/30 from 81/98

1^st number: 81/98, 2^nd number: 3 6/30

81/98 - 96/30 is -1163/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 30 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   81/98 = 81 × 15/98 × 15 = 1215/1470
3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
   96/30 = 96 × 49/30 × 49 = 4704/1470
4. Subtract the two like fractions:
   1215/1470 - 4704/1470 = 1215 - 4704/1470 = -3489/1470
5. After reducing the fraction, the answer is -1163/490

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