Answer:
7/36
Step-by-step explanation:
7/8 x 2/9
=> Multiply the numerators and the denominators
=> 7 x 2 / 8 x 9
=> 14 / 72
=> 7/ 36
Answer:
OR 5g : 8g
Step-by-step explanation:
Also a ratio can also be represented by a fraction; 
So to make the ratio to the simplest form we have to divide by a number that can divide both number.
40g : 64g
We can start dividing by 2 which will give us;
20g : 32g

Now we can divide by 2 again since it can divide both numbers which will give us;
10g : 16g

We can still divide by 2 since it can divide both numbers which will give us;
5g : 8g

Since no numbers can divide 5 and 8 equally that is our answer.
Also, 
Answer:
909
Step-by-step explanation:
I'm not sure if I'm right plz tell me if I'm wrong
I'll try to understand this but I don't really get it because I'm in middle school