Answers

Subtract 7/45 from 5/54

5/54 - 7/45 is -17/270.

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,
   5/54 = 5 × 5/54 × 5 = 25/270
3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
   7/45 = 7 × 6/45 × 6 = 42/270
4. Subtract the two like fractions:
   25/270 - 42/270 = 25 - 42/270 = -17/270

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