Answers

Subtract 20/54 from 15/12

1^st number: 1 3/12, 2^nd number: 20/54

15/12 - 20/54 is 95/108.

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,
   15/12 = 15 × 9/12 × 9 = 135/108
3. Likewise, for the 2nd fraction, since 54 × 2 = 108,
   20/54 = 20 × 2/54 × 2 = 40/108
4. Subtract the two like fractions:
   135/108 - 40/108 = 135 - 40/108 = 95/108

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