Answers

Subtract 2/54 from 21/18

1^st number: 1 3/18, 2^nd number: 2/54

21/18 - 2/54 is 61/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 54 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   21/18 = 21 × 3/18 × 3 = 63/54
3. Likewise, for the 2nd fraction, since 54 × 1 = 54,
   2/54 = 2 × 1/54 × 1 = 2/54
4. Subtract the two like fractions:
   63/54 - 2/54 = 63 - 2/54 = 61/54
5. In mixed form: 17/54

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