Answers

Subtract 40/49 from 42/12

1^st number: 3 6/12, 2^nd number: 40/49

42/12 - 40/49 is 263/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 12 × 49 = 588,
   42/12 = 42 × 49/12 × 49 = 2058/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   40/49 = 40 × 12/49 × 12 = 480/588
4. Subtract the two like fractions:
   2058/588 - 480/588 = 2058 - 480/588 = 1578/588
5. After reducing the fraction, the answer is 263/98
6. In mixed form: 267/98

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