Answers

Subtract 27/12 from 42/18

1^st number: 2 6/18, 2^nd number: 2 3/12

42/18 - 27/12 is 1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   42/18 = 42 × 2/18 × 2 = 84/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   27/12 = 27 × 3/12 × 3 = 81/36
4. Subtract the two like fractions:
   84/36 - 81/36 = 84 - 81/36 = 3/36
5. After reducing the fraction, the answer is 1/12

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