Answers

Subtract 90/18 from 27/98

1^st number: 27/98, 2^nd number: 5 0/18

27/98 - 90/18 is -463/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 18 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 98 × 9 = 882,
   27/98 = 27 × 9/98 × 9 = 243/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   90/18 = 90 × 49/18 × 49 = 4410/882
4. Subtract the two like fractions:
   243/882 - 4410/882 = 243 - 4410/882 = -4167/882
5. After reducing the fraction, the answer is -463/98

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