Answers

Subtract 7/36 from 42/18

1^st number: 2 6/18, 2^nd number: 7/36

42/18 - 7/36 is 77/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 36 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 36 × 1 = 36,
   7/36 = 7 × 1/36 × 1 = 7/36
4. Subtract the two like fractions:
   84/36 - 7/36 = 84 - 7/36 = 77/36
5. In mixed form: 25/36

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