Answers

Subtract 54/15 from 25/12

1^st number: 2 1/12, 2^nd number: 3 9/15

25/12 - 54/15 is -91/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 15 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   25/12 = 25 × 5/12 × 5 = 125/60
3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
   54/15 = 54 × 4/15 × 4 = 216/60
4. Subtract the two like fractions:
   125/60 - 216/60 = 125 - 216/60 = -91/60

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