Answers

Subtract 48/84 from 3/42

3/42 - 48/84 is -1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   3/42 = 3 × 2/42 × 2 = 6/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   48/84 = 48 × 1/84 × 1 = 48/84
4. Subtract the two like fractions:
   6/84 - 48/84 = 6 - 48/84 = -42/84
5. After reducing the fraction, the answer is -1/2

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