Answers

Subtract 27/54 from 2/20

2/20 - 27/54 is -2/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   2/20 = 2 × 27/20 × 27 = 54/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   27/54 = 27 × 10/54 × 10 = 270/540
4. Subtract the two like fractions:
   54/540 - 270/540 = 54 - 270/540 = -216/540
5. After reducing the fraction, the answer is -2/5

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