Question

for 4/7-1/2 can 7 and 2 go into 14

Answer 1

Yep 7 and 2 both share a common denominator of 14 good job so let's start with 4/7
what do you have to multiply 7 by to get 14

Answer 2

2

Answer 3

Good now multiply 7 by 2 to get the denominator and multiply the numerator which is 4 by 2 as well

Answer 4

what does 4/7=?

Answer 5

8/14

Answer 6

Good job! Now lets work on the other fraction....

Answer 7

1/2 what do you have to multiply 2 by to get 14?

Answer 8

7

Answer 9

2/14

Answer 10

Yep so multiply 2 by 7 to get 14 as your denominator and do the same thing to the top of the fraction
what does 1/2=?

Answer 11

You still have to multiply 2*7 to finish correcting the fraction

Answer 12

wat

Answer 13

so 1/2=7/14

Answer 14

SO when I say do the same thing to the top of the fraction I mean multiply the top number of the fraction by the same number you multiplied by on the bottom of the fraction

Answer 15

ok the answer was 1 14

Answer 16

Your problem should now look like this:
8/14-7/14
subtract now and yep you got the answer right good job

Answer 17

u plz not say good job then i feel like a kindergatiner

Answer 18

ha ha sorry my bad

Answer 19

if the denominaters is 5 or 6 is th lcm 11

Answer 20

I think it would be 30....

Answer 21

how?

Answer 22

cause lcm is The smallest (non-zero) number that is a multiple of two or more numbers.

Answer 23

so 5*6=30 and there isn't any lower number that they both go into evenly other than 30

Answer 24

i meant lcd

Answer 25

oh ok lol no it would be 30 still for the same reason

Answer 26

$!@#

Answer 27

ha ha sorry

Answer 28

ok so 30 then wat im confused on this one

Answer 29

5*6=30
6*5=30
both 5 and 6 can't both go into anything that is lower than thirty

Answer 30

oh ok the top numbers are 1/5 and 5/6

Answer 31

Ok does the problem ask you to add or subtract them or what?

Answer 32

1/5=6/30
5/6=25/30

Answer 33

subtract

Answer 34

no add

Answer 35

ok so
6/30-25/30=-19/30

Answer 36

ok so adding it would be
6/30+25/30=31/30
simplify
1(1/30)

Answer 37

now if the denominaters were 5 and 2 couldnt the lcd be 10

Answer 38

yes

Answer 39

now if the denominaters were 5 and 2 couldnt the lcd be 10