Answers

Subtract 28/27 from 25/84

1^st number: 25/84, 2^nd number: 1 1/27

25/84 - 28/27 is -559/756.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 84 × 9 = 756,
   25/84 = 25 × 9/84 × 9 = 225/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   28/27 = 28 × 28/27 × 28 = 784/756
4. Subtract the two like fractions:
   225/756 - 784/756 = 225 - 784/756 = -559/756

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