Answers

Subtract 90/27 from 9/18

1^st number: 9/18, 2^nd number: 3 9/27

9/18 - 90/27 is -17/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   9/18 = 9 × 3/18 × 3 = 27/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   90/27 = 90 × 2/27 × 2 = 180/54
4. Subtract the two like fractions:
   27/54 - 180/54 = 27 - 180/54 = -153/54
5. After reducing the fraction, the answer is -17/6

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