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Mathematics 21 Online
OpenStudy (anonymous):

1/2 plus 1/8 plus 4/5?? simplify

OpenStudy (anonymous):

find the lcd

OpenStudy (anonymous):

57/40

OpenStudy (anonymous):

20/40+5/40+32/40

OpenStudy (anonymous):

U still doing these...:-)

OpenStudy (anonymous):

x/2 + 1/2

OpenStudy (anonymous):

yea im tryin to understand it but this stuff is killin. i get how to multiply fractions but other then that im lost lol

OpenStudy (anonymous):

lost how..?

OpenStudy (anonymous):

i dont get how to do the rest of the fractions like adding and subtracting. and i understand some of the division parts too

OpenStudy (anonymous):

3/4 + 1/6 = ?

OpenStudy (anonymous):

First step?

OpenStudy (anonymous):

find the lcd

OpenStudy (anonymous):

means?

OpenStudy (anonymous):

3/2*2 + 1/2*3

OpenStudy (anonymous):

the lcd is two right?

OpenStudy (anonymous):

U need to dind a number which both of the bottom numbers go into

OpenStudy (anonymous):

So if u look u can see u need at least a 2*2 for the first one.

OpenStudy (anonymous):

And for the second, u already got a 2 but u need the 3 so LCD is 2*2*3 =12

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