Answers

Subtract 49/18 from 42/2

1^st number: 21 0/2, 2^nd number: 2 13/18

42/2 - 49/18 is 329/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 18 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 2 × 9 = 18,
   42/2 = 42 × 9/2 × 9 = 378/18
3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
   49/18 = 49 × 1/18 × 1 = 49/18
4. Subtract the two like fractions:
   378/18 - 49/18 = 378 - 49/18 = 329/18
5. In mixed form: 185/18

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