Answers

Subtract 4/49 from 3/42

3/42 - 4/49 is -1/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   3/42 = 3 × 7/42 × 7 = 21/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   4/49 = 4 × 6/49 × 6 = 24/294
4. Subtract the two like fractions:
   21/294 - 24/294 = 21 - 24/294 = -3/294
5. After reducing the fraction, the answer is -1/98

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