Answers

Subtract 15/45 from 1/54

1/54 - 15/45 is -17/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 45 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   1/54 = 1 × 5/54 × 5 = 5/270
3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
   15/45 = 15 × 6/45 × 6 = 90/270
4. Subtract the two like fractions:
   5/270 - 90/270 = 5 - 90/270 = -85/270
5. After reducing the fraction, the answer is -17/54

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