Answers

Subtract 27/18 from 20/98

1^st number: 20/98, 2^nd number: 1 9/18

20/98 - 27/18 is -127/98.

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,
   20/98 = 20 × 9/98 × 9 = 180/882
3. Likewise, for the 2nd fraction, since 18 × 49 = 882,
   27/18 = 27 × 49/18 × 49 = 1323/882
4. Subtract the two like fractions:
   180/882 - 1323/882 = 180 - 1323/882 = -1143/882
5. After reducing the fraction, the answer is -127/98

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