9. 1/18
10. 1/18
<u>Here is how I got my answer for 9:</u>
Step 1: Simply to
. Which leaves us with
-
Step 2: Find the least common denominator, which is 18.
Step 3: Make the denominators the same as the least common denominator. By multiplying and
. Which leaves us with
-
.
Step 4: Subtract 3 and two, giving you your answer:
<u>Here is how I got my answer for 10:</u>
Step 1: Simplify to
. Which leaves us with
-
Step 2: Find the least common denominator, which is 18.
Step 3: Make the denominators the same as the least common denominator by multiplying and
. Which leaves us with
.
Step 4: Subtract 9 and 8, giving you your answer: