Answers

Subtract 63/27 from 42/18

1^st number: 2 6/18, 2^nd number: 2 9/27

42/18 - 63/27 is 0/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   42/18 = 42 × 3/18 × 3 = 126/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   63/27 = 63 × 2/27 × 2 = 126/54
4. Subtract the two like fractions:
   126/54 - 126/54 = 126 - 126/54 = 0/54
5. The answer is 0

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