Question

Arrange the list of numbers in increasing order.

2/5, 4/9, 3/7

Answer 1

2/5 3/7 4/9

Answer 2

divide the numbers and see the value of the answers

Answer 3

2/5= .4 3/7= .42 4/9= .44

Answer 4

Get the Denominator Joint .
It can be 315 :)
Then we have :
2/5 = x/315
4/9 = y/315
3/7=z/315

Answer 5

2/5 and 4/9

Cross multiply

(2)(9) < (5)(4)

so 2/5, and 4/9 are already in the right order

Now cross multiply 4/9 and 3/7

(4)(7) > (9)(3)

Since 28 > 27 swap the order of 4/9 and 3/7 to get:

2/5, 3/7, 4/9

Now test 2/5 and 3/7

(2)(7) < (5)(3)

Therefore

2/5, 3/7, 4/9 is the correct order

Answer 6

aka 126/315, 135/315, 140/315

Answer 7

It's easier to just cross multiply and swap

Answer 8

oh ok

Answer 9

2/5 =0.40
4/9 = 0.44 (approx)
3/7=0.43 (approx)

Answer 10

^^ this is easier

Answer 11

Yeah, if you use a calculator.

Answer 12

Yes

Answer 13

But take away the calculator...then what?

Answer 14

Any ways u can divide it manually its freakin simple

Answer 15

Of course, but I prefer cross multiplication technique. Not a fan of division and decimals.

Answer 16

I prefer to stick with whole numbers as much as possible.

Answer 17

The thing is, I can do the cross multiplication in my head without pencil and paper.