Answers

Subtract 40/98 from 42/84

42/84 - 40/98 is 9/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 98 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   42/84 = 42 × 7/84 × 7 = 294/588
3. Likewise, for the 2nd fraction, since 98 × 6 = 588,
   40/98 = 40 × 6/98 × 6 = 240/588
4. Subtract the two like fractions:
   294/588 - 240/588 = 294 - 240/588 = 54/588
5. After reducing the fraction, the answer is 9/98

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