Answers

Subtract 15/4 from 12/84

1^st number: 12/84, 2^nd number: 3 3/4

12/84 - 15/4 is -101/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   12/84 = 12 × 1/84 × 1 = 12/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   15/4 = 15 × 21/4 × 21 = 315/84
4. Subtract the two like fractions:
   12/84 - 315/84 = 12 - 315/84 = -303/84
5. After reducing the fraction, the answer is -101/28

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