Answers

Subtract 48/12 from 15/84

1^st number: 15/84, 2^nd number: 4 0/12

15/84 - 48/12 is -107/28.

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,
   15/84 = 15 × 1/84 × 1 = 15/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   48/12 = 48 × 7/12 × 7 = 336/84
4. Subtract the two like fractions:
   15/84 - 336/84 = 15 - 336/84 = -321/84
5. After reducing the fraction, the answer is -107/28

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