Answers

Subtract 27/54 from 27/84

27/84 - 27/54 is -5/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 54 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   27/84 = 27 × 9/84 × 9 = 243/756
3. Likewise, for the 2nd fraction, since 54 × 14 = 756,
   27/54 = 27 × 14/54 × 14 = 378/756
4. Subtract the two like fractions:
   243/756 - 378/756 = 243 - 378/756 = -135/756
5. After reducing the fraction, the answer is -5/28

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