Answers

Subtract 42/49 from 1/2

1/2 - 42/49 is -5/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 2 × 49 = 98,
   1/2 = 1 × 49/2 × 49 = 49/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   42/49 = 42 × 2/49 × 2 = 84/98
4. Subtract the two like fractions:
   49/98 - 84/98 = 49 - 84/98 = -35/98
5. After reducing the fraction, the answer is -5/14

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