Answers

Subtract 45/15 from 18/36

1^st number: 18/36, 2^nd number: 3 0/15

18/36 - 45/15 is -5/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 15 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   18/36 = 18 × 5/36 × 5 = 90/180
3. Likewise, for the 2nd fraction, since 15 × 12 = 180,
   45/15 = 45 × 12/15 × 12 = 540/180
4. Subtract the two like fractions:
   90/180 - 540/180 = 90 - 540/180 = -450/180
5. After reducing the fraction, the answer is -5/2

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