2x 3/8

- anonymous

2x 3/8

- katieb

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- anonymous

i got 480/80

- theEric

Is this \[2 \times \frac{3}{8}\]?

- anonymous

yes

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## More answers

- anonymous

helooooooooo

- anonymous

1

- anonymous

you have to multiply only the numerator by the three

- anonymous

oops i meant two

- theEric

Just remember that fractions are really the amount on top (numerator) divided by the amount on bottom (denominator).
One way to look at it is to turn the fraction \[\frac{3}{8}\] into\[3\div8\], so you have \[2\times3\div8\]Then solve the multiplications and divisions separately\[(2\times3)\div(8)=(6)\div(8)\]and then make it look like a fraction again:\[\frac{6}{8}\]. That can be simplified, though.
Or, look at the "2" like this:\[\frac{2}{1}\], and multiply numerators together and denominators together. It's the same thing. Then\[\frac{2}{1}\times\frac{3}{8}=\frac{2*3}{1*8}=\frac{6}{8}\].

- theEric

Those are two ways to think about multiplying fractions!

- theEric

Sorry I took so long!

- anonymous

ok thanks

- anonymous

can u help me in one more

- theEric

Can you simplify it? Divide top and bottom by 2!
Some teachers require simplification...

- theEric

Possibly! I have to go soon! You post it, and I'll see if I can help!

- anonymous

1 1/2 divided by 3

- theEric

If it's very similar, I hope that you can do it on your own, or we can do it together!

- theEric

So,\[1\frac{1}{2}\div3\]

- anonymous

i got 1 2/20

- theEric

That is different!

- theEric

That's not quite right, but we'll get there!
\[1\frac{1}{2}=1+\frac{1}{2}\], right?

- anonymous

yeah

- theEric

and 1, as a fraction, is any number over itself, like\[1=\frac{2}{2}\]right?
Then you can look at \[1+\frac{1}{2}\]like\[\frac{2}{2}+\frac{1}{2}=\frac{3}{2}\]

- theEric

\[1\frac{1}{2}=\frac{3}{2}\]

- anonymous

thanks men

- theEric

\[=3\div2\]

- theEric

That's just the fraction...
You still have to divide by 3.

- anonymous

1.5

- theEric

\[\frac{3}{2}=3\div2\]
I did that again.. Similar to what we did before! Fraction to division... Really the same thing.
Anyway,
\[1\frac{1}{2}\div3=\frac{3}{2}\div3=3\div2\div3=3\div3\div2=1\div2\]
See what I did there? And, if you need the fraction, I trust you can find it!

- theEric

It's just lucky that \[3\div3=1\], because it made our problem easier! :)

- anonymous

Eric if you want I'll take over from here if you have to go..

- theEric

Thanks! I trust you can help with this question and any others! :) I do have to get going. Take care, all!

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