Answers

Subtract 63/4 from 54/30

1^st number: 1 24/30, 2^nd number: 15 3/4

54/30 - 63/4 is -279/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 4 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 4 × 15 = 60,
   63/4 = 63 × 15/4 × 15 = 945/60
4. Subtract the two like fractions:
   108/60 - 945/60 = 108 - 945/60 = -837/60
5. After reducing the fraction, the answer is -279/20

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