Answers

Subtract 90/9 from 98/27

1^st number: 3 17/27, 2^nd number: 10 0/9

98/27 - 90/9 is -172/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 9 is 27
   
   Next, find the equivalent fraction of both fractional numbers with denominator 27
2. For the 1st fraction, since 27 × 1 = 27,
   98/27 = 98 × 1/27 × 1 = 98/27
3. Likewise, for the 2nd fraction, since 9 × 3 = 27,
   90/9 = 90 × 3/9 × 3 = 270/27
4. Subtract the two like fractions:
   98/27 - 270/27 = 98 - 270/27 = -172/27

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