Answers

Subtract 27/15 from 30/90

1^st number: 30/90, 2^nd number: 1 12/15

30/90 - 27/15 is -22/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 15 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   30/90 = 30 × 1/90 × 1 = 30/90
3. Likewise, for the 2nd fraction, since 15 × 6 = 90,
   27/15 = 27 × 6/15 × 6 = 162/90
4. Subtract the two like fractions:
   30/90 - 162/90 = 30 - 162/90 = -132/90
5. After reducing the fraction, the answer is -22/15

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