Answers

Subtract 40/54 from 5/15

5/15 - 40/54 is -11/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 15 × 18 = 270,
   5/15 = 5 × 18/15 × 18 = 90/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   40/54 = 40 × 5/54 × 5 = 200/270
4. Subtract the two like fractions:
   90/270 - 200/270 = 90 - 200/270 = -110/270
5. After reducing the fraction, the answer is -11/27

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