Answer:
5/36
Explanation:
To solve this, we must find a common denominator! We see that 12 and 18 are both divisors of 36. Since 5/12 = 15/36, and 5/18 = 10/36, our answer is 5/36.
The LCD is 36; 36 is the smallest number evenly divisible by both 12 and 18.
Rewriting 5/12 as 15/36 and 5/18 as 10/36, we get:
15/36 - 10/36 = 5/36
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