Question

Evaluate: -8/9 + 4/9 - 2/9

Answer 1

The denominators are the same, so you can combine the numerators over the common denominator

Answer 2

Okay? how?

Answer 3

example:

1/8 + 2/8 = (1+2)/8

1/8 + 2/8 = 3/8

Answer 4

Notice how I combined the two numerators 1 and 2 to get 3. I placed all this over the common denominator of 8.

Answer 5

Okay than do i subtract 8 from the other numbers?

Answer 6

yes because the -8 means "subtract 8"

Answer 7

so is the answer -2/9?

Answer 8

no

Answer 9

ooookkkkkkaaaayyyy

Answer 10

But is - 2/9 from 4/9 and -8/9

Answer 11

-8/9 + 4/9 - 2/9

(-8 + 4 - 2)/9

I'll let you do the last step

Answer 12

-6/9? If not I feel stupid..

Answer 13

-8 + 4 = ???

Answer 14

oh wait, nvm, you got it

the next step is -6/9 and that reduces to -2/3

Answer 15

-4!!!

Answer 16

Oh

Answer 17

correct, so we have

-8/9 + 4/9 - 2/9

(-8 + 4 - 2)/9

(-4 - 2)/9

-6/9

-2/3

Answer 18

awesome! thx

Answer 19

sure thing