Answers

Subtract 42/32 from 90/98

1^st number: 90/98, 2^nd number: 1 10/32

90/98 - 42/32 is -309/784.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 32 is 1568
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1568
2. For the 1st fraction, since 98 × 16 = 1568,
   90/98 = 90 × 16/98 × 16 = 1440/1568
3. Likewise, for the 2nd fraction, since 32 × 49 = 1568,
   42/32 = 42 × 49/32 × 49 = 2058/1568
4. Subtract the two like fractions:
   1440/1568 - 2058/1568 = 1440 - 2058/1568 = -618/1568
5. After reducing the fraction, the answer is -309/784

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