How do I express 0.6969... in the form of p/q where p and q are integers?
How do I express #0.dot6dot9# in the form of #p/q# where p and q are integers?
Your help is greatly appreciated!
How do I express
Your help is greatly appreciated!
3 Answers
I'm assuming it is 0.69 recurring
Explanation:
Let
So
Subtract the first from the second and all the decimal numbers will disappear to leave
Divide by 99
Divide by 3
Explanation:
Let
Then
Subtracting former from latter we get
Hence,
i.e.
Explanation:
Let
subtracting (1) from (2) as follows