Answers

Subtract 81/24 from 70/98

1^st number: 70/98, 2^nd number: 3 9/24

70/98 - 81/24 is -149/56.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 24 is 1176
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1176
2. For the 1st fraction, since 98 × 12 = 1176,
   70/98 = 70 × 12/98 × 12 = 840/1176
3. Likewise, for the 2nd fraction, since 24 × 49 = 1176,
   81/24 = 81 × 49/24 × 49 = 3969/1176
4. Subtract the two like fractions:
   840/1176 - 3969/1176 = 840 - 3969/1176 = -3129/1176
5. After reducing the fraction, the answer is -149/56

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