Answers

Subtract 25/90 from 2/54

2/54 - 25/90 is -13/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   2/54 = 2 × 5/54 × 5 = 10/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   25/90 = 25 × 3/90 × 3 = 75/270
4. Subtract the two like fractions:
   10/270 - 75/270 = 10 - 75/270 = -65/270
5. After reducing the fraction, the answer is -13/54

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