Answers

Subtract 9/98 from 1/42

1/42 - 9/98 is -10/147.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   1/42 = 1 × 7/42 × 7 = 7/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   9/98 = 9 × 3/98 × 3 = 27/294
4. Subtract the two like fractions:
   7/294 - 27/294 = 7 - 27/294 = -20/294
5. After reducing the fraction, the answer is -10/147

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