Answers

Subtract 9/10 from 4/54

4/54 - 9/10 is -223/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 10 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   4/54 = 4 × 5/54 × 5 = 20/270
3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
   9/10 = 9 × 27/10 × 27 = 243/270
4. Subtract the two like fractions:
   20/270 - 243/270 = 20 - 243/270 = -223/270

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