Answers

Subtract 48/42 from 15/84

1^st number: 15/84, 2^nd number: 1 6/42

15/84 - 48/42 is -27/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 42 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 42 × 2 = 84,
   48/42 = 48 × 2/42 × 2 = 96/84
4. Subtract the two like fractions:
   15/84 - 96/84 = 15 - 96/84 = -81/84
5. After reducing the fraction, the answer is -27/28

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