Answer:
1/6, 1/2, 5/9, 9/12, 2/3, 3/4, 17/18
Step-by-step explanation:
9/12 and 3/4 are equal
13 and 5
x+y=18
x-y=8
_____
2x=26
x=13
So the first number must be 13
13+y=18
y=5
And the second number must be 5
1/2 * (27 + x) = 19
27 + x = 38
x = 11
Ex. 2:1 = 4:2 or 8:4
~Hope this helps!!