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Mathematics 14 Online
OpenStudy (anonymous):

helpp giving medal!

OpenStudy (anonymous):

OpenStudy (anonymous):

1.833333333333

OpenStudy (anonymous):

?

OpenStudy (anonymous):

can u show me how you got that

OpenStudy (anonymous):

I just typed it into a calculator srry

OpenStudy (anonymous):

its 33 over 18.

OpenStudy (anonymous):

which simplifies into \[1\frac{ 15 }{ 18}\]

OpenStudy (anonymous):

Did you want to know how to get it or just the answer?

OpenStudy (anonymous):

i wanted to know how to get it

OpenStudy (anonymous):

Do you know how to change mixed numbers to improper fractions?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

OK, you were doing these last night, too. That's the first thing you need to learn. Multiply the denominator (3) by the whole number (5) and add the numerator (1). Then put it all over the original denominator. So, 3x5+1=16. The first number is now 16/3.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

So, can you do the second number using that pattern?

OpenStudy (anonymous):

yes hold on

OpenStudy (anonymous):

9/54

OpenStudy (anonymous):

you change the mixed numbers into fractions first. 5 (3 ) + 1 = 16. You keep the original denominator of 3. So you have \[\frac{ 16 }{ 3 }\] change the second one into a regular fraction. 18 (3) + 9 = -\[\frac{ 63 }{ 18 }\] now you have to make them have common denominator of 18. \[\frac{ 16 }{ 3 } \times \frac{ 6 }{ 6 } = \frac{ 96 }{ 18 }\] so now you have \[\frac{ 96 }{ 18 } - \frac{ 63 }{ 18 }\]

OpenStudy (anonymous):

Not quite. 18x(-3)+5 all over 18

OpenStudy (anonymous):

Sorry...+9, not 5.

OpenStudy (anonymous):

ok now what

OpenStudy (anonymous):

Now find a common denominator. You have 3 and 18. What's the smallest number that they can both divide into evenly? (hint: 3 is a factor of 18)

OpenStudy (anonymous):

I just typed how to find all of it... hahaha.

OpenStudy (anonymous):

Yeah, but cupcake needs to learn how to do it step by step. He/she has been working on these kinds of problems for a couple of days. :)

OpenStudy (anonymous):

yeah haha, becki can u draw a drawing to demonstrate plz

OpenStudy (anonymous):

|dw:1381338663036:dw|

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