Answers

Subtract 45/12 from 5/84

1^st number: 5/84, 2^nd number: 3 9/12

5/84 - 45/12 is -155/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   5/84 = 5 × 1/84 × 1 = 5/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   45/12 = 45 × 7/12 × 7 = 315/84
4. Subtract the two like fractions:
   5/84 - 315/84 = 5 - 315/84 = -310/84
5. After reducing the fraction, the answer is -155/42

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