Question

3h to 40min,give the ratio as a fraction in simplest form

Answer 1

Convert both to minutes.. :)

Answer 2

how?

Answer 3

180 divided by 40 is that right?

Answer 4

but i need it in a fraction

Answer 5

Yeah, you can simplify it. Hint: divide both numerator and denominator by 20!

Answer 6

Or you can work in hours, which gives 3:2/3, and simplifies pretty easily to 9/2.

Answer 7

but why divide by 20

Answer 8

To get a simple fraction..

Answer 9

i mean where did u get 20 from

Answer 10

This is how he got 20.. :)\[\frac{180}{40}=\frac{20*9}{20*2}\]

Answer 11

How did I get a 20?

20 is the GCD of 180 and 40, and dividing both numerator and denominator by the GCD is recommended to simplify the fraction.