Answers

Subtract 8/54 from 1/20

1/20 - 8/54 is -53/540.

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,
   1/20 = 1 × 27/20 × 27 = 27/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   8/54 = 8 × 10/54 × 10 = 80/540
4. Subtract the two like fractions:
   27/540 - 80/540 = 27 - 80/540 = -53/540

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