Question

3/4 + (-2/5)

Answer 1

u need to make sure that both of the fraactions have the same denominator

Answer 2

so u could turn 3/4 --> 15/20
and turn -2/5 --> -8/20

Answer 3

now just do 15/20 + -8/20

Answer 4

u shud get 13/20 :)

Answer 5

helpful?

Answer 6

i'm not getting how 3/4 become 15/20

Answer 7

you multiply the enitr fraction by 5 so you can have a similar denominator of 20

Answer 8

and you multiply -2/5 by 4 to get its denominator as 20

Answer 9

u get it now? :)

Answer 10

nt really

Answer 11

wat part dont you get? :)

Answer 12

okay to add fractions, both of the fractions need to have the same denominator

Answer 13

getting it?

Answer 14

ya

Answer 15

so do you get how to do it now?

Answer 16

:)

Answer 17

ok this is how i got it 3/4 + (-2/5)
3/4 - 2/5
i'm lost after that

Answer 18

you still need to make the denominators the same

Answer 19

i'm lost after 3/4 + (-2/5)
3/4 - 2/5

Answer 20

make both fractions have the same number under the fraction bar

Answer 21

i don't understand

Answer 22

do you know what a denominator is?

Answer 23

can you so me how to do this question with somethinglike it

Answer 24

okay lets say you have 2/3 + 2/4
you need to make the denominators (number on the bottom) the same
so you multiply the fractions until the denominators are the same

Answer 25

the the LCM of 3 and 4 is 12....so you need to make them both 12...so you can multiply 2/3 by 4 and 2/4 by 3

Answer 26

so 2/3 turns into 8/12 and 2/4 turns into 6/12 ...now you just add them and get 14/12