Answers

Subtract 27/54 from 15/75

15/75 - 27/54 is -3/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   15/75 = 15 × 18/75 × 18 = 270/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   27/54 = 27 × 25/54 × 25 = 675/1350
4. Subtract the two like fractions:
   270/1350 - 675/1350 = 270 - 675/1350 = -405/1350
5. After reducing the fraction, the answer is -3/10

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