Answers

Subtract 10/54 from 81/12

1^st number: 6 9/12, 2^nd number: 10/54

81/12 - 10/54 is 709/108.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 54 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 12 × 9 = 108,
   81/12 = 81 × 9/12 × 9 = 729/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   10/54 = 10 × 2/54 × 2 = 20/108
4. Subtract the two like fractions:
   729/108 - 20/108 = 729 - 20/108 = 709/108
5. In mixed form: 661/108

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