Answers

Subtract 30/54 from 90/12

1^st number: 7 6/12, 2^nd number: 30/54

90/12 - 30/54 is 125/18.

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,
   90/12 = 90 × 9/12 × 9 = 810/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   30/54 = 30 × 2/54 × 2 = 60/108
4. Subtract the two like fractions:
   810/108 - 60/108 = 810 - 60/108 = 750/108
5. After reducing the fraction, the answer is 125/18
6. In mixed form: 617/18

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