Answers

Subtract 40/49 from 42/98

42/98 - 40/49 is -19/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   42/98 = 42 × 1/98 × 1 = 42/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   40/49 = 40 × 2/49 × 2 = 80/98
4. Subtract the two like fractions:
   42/98 - 80/98 = 42 - 80/98 = -38/98
5. After reducing the fraction, the answer is -19/49

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