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2 3/4 * 1/2 = ?

i get 3/4

2007-07-28 07:54:31 · 10 answers · asked by grem 3 in Science & Mathematics Mathematics

10 answers

If I'm reading that right, you are saying 2 and 3/4 x 1/2. If that is the case you should get:

11/4 (also 2 and 3/4) x 1/2 = 11/8 = 1 and 3/8ths.

2007-07-28 07:59:39 · answer #1 · answered by jbyall2003 3 · 0 1

You shouldn't. Next time, show what you DID do so we can tell you what you SHOULDN'T do.

Convert 2-3/4 to an improper fraction
2*4 / 4 + 3/4 = 11/4
Multiply
11/4 * 1/2 = 11/8
Convert back to a regular fraction
(8 + 3)/8 = 1 - 3/8

2007-07-28 15:00:28 · answer #2 · answered by cattbarf 7 · 1 1

11/4 * 1/2 = 11/8
(2*4+3/4) * 1/2 = 11/8

2007-07-28 15:00:19 · answer #3 · answered by lovinghonestmother 1 · 0 1

2 3/4 gives an improper fraction of 11/4

11/4 * 1/2 = 11/8

2007-07-28 15:07:57 · answer #4 · answered by james w 5 · 0 1

2 3/4 = 11/4
(11/4) * (1/2) = (11 * 1) / (4 * 2) = 11/8.

2007-07-28 15:00:39 · answer #5 · answered by Anonymous · 0 1

2 3/4 is equal to 11/4 so then it's 11/4 x 1/2 which equals 11/8

2007-07-28 15:01:21 · answer #6 · answered by V 1 · 0 1

first convert 2 3/4 to an improper fraction so you get 11/4

11/4 * 1/2 = 11/8 (multiply the tops then multiply the bottoms)

now simplify your fraction to get 1 3/8

2007-07-28 15:02:32 · answer #7 · answered by Jessica M 1 · 1 1

Hi,

For this question, 2 and 3/4 becomes 11/4. (Remember, you take 4(2) and then add 3 which is 11 ; the numerator of the fraction)

Therefore your problem becomes. . .

11 / 4 ( 1 / 2 )

Now just multiply the numerator and denominator separately to get:

11 / 8 <==== FINAL ANSWER

* Which can not be simplified further.

I hope that helps you out! Please let me know if you have any other questions!

Sincerely,

Andrew

2007-07-28 15:08:35 · answer #8 · answered by The VC 06 7 · 1 1

2 3/4 --- multiply 4*2=8 then add the 3 (8+3=11) --- 11/4
then mulltiply
11/4 * 1/2 = (11*1)=11 / (4*2)=8

11/8 = 1 3/8

this is it

2007-07-28 15:06:19 · answer #9 · answered by Elias C 2 · 1 1

You are wrong!!

2 3/4 = 2.75 (in decimals).

2.75 X .5= 1.375 or 1 3/8

2007-07-28 15:10:25 · answer #10 · answered by nixdad96 5 · 0 1

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