Answers

Subtract 25/42 from 42/98

42/98 - 25/42 is -1/6.

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,
   42/98 = 42 × 3/98 × 3 = 126/294
3. Likewise, for the 2nd fraction, since 42 × 7 = 294,
   25/42 = 25 × 7/42 × 7 = 175/294
4. Subtract the two like fractions:
   126/294 - 175/294 = 126 - 175/294 = -49/294
5. After reducing the fraction, the answer is -1/6

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