Answers

Subtract 27/4 from 25/54

1^st number: 25/54, 2^nd number: 6 3/4

25/54 - 27/4 is -679/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 4 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   25/54 = 25 × 2/54 × 2 = 50/108
3. Likewise, for the 2nd fraction, since 4 × 27 = 108,
   27/4 = 27 × 27/4 × 27 = 729/108
4. Subtract the two like fractions:
   50/108 - 729/108 = 50 - 729/108 = -679/108

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