Answers

Subtract 27/75 from 15/90

15/90 - 27/75 is -29/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 75 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   15/90 = 15 × 5/90 × 5 = 75/450
3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
   27/75 = 27 × 6/75 × 6 = 162/450
4. Subtract the two like fractions:
   75/450 - 162/450 = 75 - 162/450 = -87/450
5. After reducing the fraction, the answer is -29/150

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