Answers

Subtract 63/12 from 54/30

1^st number: 1 24/30, 2^nd number: 5 3/12

54/30 - 63/12 is -69/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   54/30 = 54 × 2/30 × 2 = 108/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   63/12 = 63 × 5/12 × 5 = 315/60
4. Subtract the two like fractions:
   108/60 - 315/60 = 108 - 315/60 = -207/60
5. After reducing the fraction, the answer is -69/20

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