Answers

Subtract 2/4 from 20/54

20/54 - 2/4 is -7/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 4 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   20/54 = 20 × 2/54 × 2 = 40/108
3. Likewise, for the 2nd fraction, since 4 × 27 = 108,
   2/4 = 2 × 27/4 × 27 = 54/108
4. Subtract the two like fractions:
   40/108 - 54/108 = 40 - 54/108 = -14/108
5. After reducing the fraction, the answer is -7/54

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