Answers

Subtract 63/28 from 25/27

1^st number: 25/27, 2^nd number: 2 7/28

25/27 - 63/28 is -143/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 28 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 27 × 28 = 756,
   25/27 = 25 × 28/27 × 28 = 700/756
3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
   63/28 = 63 × 27/28 × 27 = 1701/756
4. Subtract the two like fractions:
   700/756 - 1701/756 = 700 - 1701/756 = -1001/756
5. After reducing the fraction, the answer is -143/108

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