Answers

Subtract 27/84 from 42/18

1^st number: 2 6/18, 2^nd number: 27/84

42/18 - 27/84 is 169/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   42/18 = 42 × 14/18 × 14 = 588/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   27/84 = 27 × 3/84 × 3 = 81/252
4. Subtract the two like fractions:
   588/252 - 81/252 = 588 - 81/252 = 507/252
5. After reducing the fraction, the answer is 169/84
6. In mixed form: 21/84

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