Answers

Subtract 48/12 from 45/18

1^st number: 2 9/18, 2^nd number: 4 0/12

45/18 - 48/12 is -3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 12 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 18 × 2 = 36,
   45/18 = 45 × 2/18 × 2 = 90/36
3. Likewise, for the 2nd fraction, since 12 × 3 = 36,
   48/12 = 48 × 3/12 × 3 = 144/36
4. Subtract the two like fractions:
   90/36 - 144/36 = 90 - 144/36 = -54/36
5. After reducing the fraction, the answer is -3/2

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