Answer:
1/18
Explanation:
find the LCD
= 18
say
18
= 18 ÷ 9
= 2
= 18 ÷6
= 3
now say
2 × 2 = 4
3 × 1 = 3
4-3/18
= 1/18
2/9 - 1/6 = 1/18
2/9= 4/18 and 1/6=3/18
so...
4/18-3/18=1/18
Hope This Helps!
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