Answers

Subtract 48/12 from 45/30

1^st number: 1 15/30, 2^nd number: 4 0/12

45/30 - 48/12 is -5/2.

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,
   45/30 = 45 × 2/30 × 2 = 90/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   48/12 = 48 × 5/12 × 5 = 240/60
4. Subtract the two like fractions:
   90/60 - 240/60 = 90 - 240/60 = -150/60
5. After reducing the fraction, the answer is -5/2

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