Answers

Subtract 54/12 from 75/27

1^st number: 2 21/27, 2^nd number: 4 6/12

75/27 - 54/12 is -31/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 27 × 4 = 108,
   75/27 = 75 × 4/27 × 4 = 300/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   54/12 = 54 × 9/12 × 9 = 486/108
4. Subtract the two like fractions:
   300/108 - 486/108 = 300 - 486/108 = -186/108
5. After reducing the fraction, the answer is -31/18

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