Answers

Subtract 15/6 from 18/45

1^st number: 18/45, 2^nd number: 2 3/6

18/45 - 15/6 is -21/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   18/45 = 18 × 2/45 × 2 = 36/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   15/6 = 15 × 15/6 × 15 = 225/90
4. Subtract the two like fractions:
   36/90 - 225/90 = 36 - 225/90 = -189/90
5. After reducing the fraction, the answer is -21/10

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