Answers

Subtract 63/4 from 25/27

1^st number: 25/27, 2^nd number: 15 3/4

25/27 - 63/4 is -1601/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 4 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 27 × 4 = 108,
   25/27 = 25 × 4/27 × 4 = 100/108
3. Likewise, for the 2nd fraction, since 4 × 27 = 108,
   63/4 = 63 × 27/4 × 27 = 1701/108
4. Subtract the two like fractions:
   100/108 - 1701/108 = 100 - 1701/108 = -1601/108

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