Answers

Subtract 25/54 from 3/40

3/40 - 25/54 is -419/1080.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   3/40 = 3 × 27/40 × 27 = 81/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   25/54 = 25 × 20/54 × 20 = 500/1080
4. Subtract the two like fractions:
   81/1080 - 500/1080 = 81 - 500/1080 = -419/1080

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