Answers

Subtract 5/12 from 4/42

4/42 - 5/12 is -9/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   4/42 = 4 × 2/42 × 2 = 8/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   5/12 = 5 × 7/12 × 7 = 35/84
4. Subtract the two like fractions:
   8/84 - 35/84 = 8 - 35/84 = -27/84
5. After reducing the fraction, the answer is -9/28

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