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July 29, 2014

July 29, 2014

Posted by **Tonya** on Sunday, February 10, 2008 at 3:21pm.

Multiply 31/6 * 9/11 * 6/17. Writre your answer to simplest form.

Answer: 171/187 is this correct? Please help

- Math -
**Damon**, Sunday, February 10, 2008 at 3:34pm31 * 9 * 6

-----------

6 * 11 * 17

Now 31, 11 and 17 are prime numbers, so we are stuck with them. However we can divide top and bottom by 6, common factor.

31 * 9

-------

11 * 17

= 279/187

- Math -
**Tonya**, Sunday, February 10, 2008 at 3:58pmThis is the problem

3 1/6 * 9/11 * 6/17

I have to choose

A. 1 1/170

B. 27/187

C. 1 171/187

D. 171/187

I choose D

- Math -
- Math -
**Guido**, Sunday, February 10, 2008 at 3:36pmMultiply the numerators and denominators across.

Then simplify your fraction to the lowest term.

31/6 x 9/11 x 6/17 =

31 x 9 x 6 = 1674 (our numerator product)

6 x 11 x 17 = 1122 (our denominator product)

We now have:

1674/1122 as the new fraction.

When reduced to the lowest term we get:

279/187

Done!

- Math -
**Damon**, Sunday, February 10, 2008 at 4:27pmOh, now you say 3 1/6 or 19/6

first you said 31/6

so

19/6 * 9/11 * 6/17

get rid of the 6 as before

19*9/(11*17) = 171/187

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