Answers

Subtract 15/5 from 45/18

1^st number: 2 9/18, 2^nd number: 3 0/5

45/18 - 15/5 is -1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 5 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   45/18 = 45 × 5/18 × 5 = 225/90
3. Likewise, for the 2nd fraction, since 5 × 18 = 90,
   15/5 = 15 × 18/5 × 18 = 270/90
4. Subtract the two like fractions:
   225/90 - 270/90 = 225 - 270/90 = -45/90
5. After reducing the fraction, the answer is -1/2

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