Answers

Subtract 1/42 from 1/98

1/98 - 1/42 is -2/147.

Steps for subtracting fractions

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

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