Question

Medal
Add.

2/3 + 5/9 + 7/8

Answer 1

Find the LCD of each, then add the numerators.

Answer 2

LCD is the least common denominator, which means the smallest number that 3, 9, and 8 go into.

Answer 3

1

Answer 4

no, the one that they can all be multiplied into

Answer 5

like 3 and 9 go into 9 evenly, but 8 cannot. So what number can they all go into?

Answer 6

3

Answer 7

please help me

Answer 8

what number can they be multiplied into? Not divided but muliplied

Answer 9

2

Answer 10

no can you multiply 8 by something to get 2? Think of reasonable answers

Answer 11

it will be a large number

Answer 12

2 and 4

Answer 13

no. 72.

Answer 14

9, 8, and 3 all go into it

Answer 15

so now your fractions will be 2/72, 5/72, 7/72

Answer 16

add 2, 5, and 7 now

Answer 17

and leave 72. What do you get

Answer 18

ohh ok

Answer 19

yes i understand

Answer 20

so 14/72 understand? Do you see what I did?

Answer 21

good

Answer 22

yes

Answer 23

you don't always just multiply sometimes there are more steps to finding the LCD

Answer 24

but in this case, it worked

Answer 25

Ok and then 1 more step

Answer 26

Last step is to click best response and give me a medal ;)

Answer 27

lol

Answer 28

u don't have to but u said u would... idc

Answer 29

ohhh i c

Answer 30

:)

Answer 31

lol so whats the answer?

Answer 32

^_^ thanks ^_^

Answer 33

I told u!

Answer 34

14/72

Answer 35

can you reduce this

Answer 36

Can you? you find out

Answer 37

doesn't your numerator have to change when you change the denominator example if you change the denominator on 5/9 to 72 you have to multiply the numerator by 8 so it would be 40/72

Answer 38

7/36

Answer 39

I don't think so...

Answer 40

yes

Answer 41

about 7/36 yes

Answer 42

I know who we can ask

Answer 43

Our best friend, and great supporter, Google

Answer 44

are you checking because i don't think you can leave the numerator as they were the fraction 1/2 changed to say a denominator of 4 you would have to change the numerator to 2 so 2/4 when reduced back would be 1/2

Answer 45

I agree you might be right

Answer 46

@harz360 you choose which one you want. Though I am leaning toward what @Lcb2516 said

Answer 47

so is that answer wrong?

Answer 48

I think so so whatever you do to the denominator you have to also do to the numerator so to change 5/9 to a denominator of 72 (8 times 9 =72) you have to multiply 8 times 5 so fraction would be 40/72 which then could reduce back to original 5/9

Answer 49

@pooja can you verify that this is correct

Answer 50

let me see if someone else will check this out for you

Answer 51

so the answer is 5/9

Answer 52

okay

Answer 53

whatever you multiply the denominator by you have to multiply the numerator by as well

Answer 54

so what would be the answer?

Answer 55

take the first fraction 2/3 what do you need to multiply 3 by to get the lcd of 72?

Answer 56

48/72 + 40/72 + 49/72 = ?/72 add the numerators what do u get? Do you have multiple choice answers

Answer 57

48 + 40 + 49 = ?/72

Answer 58

then simplify your fraction by dividing the numerator by the denominator 72 and that should be the answer

Answer 59

137/72

Answer 60

yes then 137 divided by 72 to get whole number and fraction

Answer 61

are there answer choices

Answer 62

1 9/72

Answer 63

I think to change it to a mixed fraction it would be 1 65/72 thats why I asked did you have multiple choice because i was trying to figure out how they want the answer expressed when you divide get a decimal so if you take 137 -72 =65 so the 72/72 makes a whole 1 and remainder is 65/72 which can't be reduced any further so I think after all this the answer is 1 65/72

Answer 64

trying to explain to change an improper fraction to a proper fraction you think how many 72s there are in 137 that gives you your whole number and the remainder 65 is your fraction over the same denominator of 72