Simplify.
5 1/3 + (-3 9/18)
A. 1 5/6
B. 2 8/15
C. 3 8/13
D. 8 5/6

- anonymous

Simplify.
5 1/3 + (-3 9/18)
A. 1 5/6
B. 2 8/15
C. 3 8/13
D. 8 5/6

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- anonymous

|dw:1341642729696:dw|

- anonymous

it is 18 or 8

- anonymous

|dw:1341642903689:dw|

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## More answers

- anonymous

yes

- anonymous

18 sorry

- anonymous

b is ans

- anonymous

Thanks N why tho?

- anonymous

??

- anonymous

I mean why B sorry I kinda like to know why just so I understand ^ ^

- anonymous

The answer is NOT B. I'll explain in my next post.

- anonymous

Since any number divided by itself equals 1, you can rewrite 1 as a fraction, e.g.
\[1 = \frac{2}{2} = \frac{3}{3} = \frac{6}{6}\]
Any whole number can be rewritten as a fraction by multiplying it by 1 in the form of a fraction.
5 can be made into a fraction like so:
\[5 * 1 = 5*\frac{3}{3} = \frac{15}{3}\]
\[5\frac{1}{3} = \frac{15}{3} + \frac{1}{3} = \frac{15+1}{3} = \frac{16}{3}\]

- anonymous

Similarly, fractions can also be rewritten by multiplying them by 1 in the form of a fraction. In this case we'll need to multiply it by something to get the denominator to equal 18. What fraction do you think it should be @HammerG ?

- anonymous

yeh its C from what I got.

- anonymous

Nope. If you show your work I can help you figure out where you went of the rails, so to speak.

- anonymous

no its b

- anonymous

5 and one third minus three and nine eighteenths cannot possibly be B. Even Wolfram Alpha agrees with me.

- anonymous

\[5 + \frac{1}{3}-(3+\frac{9}{18})\]

- anonymous

8 5/6

- anonymous

@wired yo did a big flaw

- anonymous

its not(3+9/18)

- anonymous

that term value comes out to (16/3)-(63/18)
=1.833

- lgbasallote

\[\huge 5 \frac{1}{3} = \frac{16}{3}\]
\[\huge -3\frac{9}{18} \implies -3\frac 12 = -\frac{7}{2}\]
\[\huge \frac{16}{3} - \frac{7}{2} = \frac{32}{6} - \frac{21}{6}\]

- lgbasallote

\[\huge 1.833 \ne 2\frac{8}{15}\]

- anonymous

another big flaw@igbasallote..it is not fraction to cancel like that(3 9/18)...it is a mixed fraction

- lgbasallote

\[3\frac{9}{18} = 3\frac{1}{2}\]

- lgbasallote

try it

- lgbasallote

see for yourself

- anonymous

no yaar

- anonymous

\[\frac{9}{18} = \frac{1}{2}\]
\[3\frac{1}{2} = \frac{6}{2}+\frac{1}{2}=\frac{7}{2}\]
\[\frac{16}{3}+-\frac{7}{2} = \frac{16}{3}-\frac{7}{2} = \frac{32}{6}-\frac{21}{6} = \frac{11}{6}=1\frac{5}{6}\]
@Raja99 What are you talking about? We KNOW it's a mixed fraction, hence why we're showing our work converting it to fractions, giving them equal denominators, and then adding them together and turning them back into a mixed fraction!

- lgbasallote

http://www.wolframalpha.com/input/?i=5+1%2F3++-+3+9%2F18

- lgbasallote

^exactly what i wrote

- anonymous

1 5/6 is the answer

- anonymous

@HammerG Yes.

- anonymous

okay don't want to get confused lol.

- anonymous

All I can tell you is that @lgbasallote and I got the same answer, Wolfram Alpha got the same answer, and we showed how we got it, whereas Raja99 hasn't shown any of his work.

- anonymous

@igbasallote is correct

- anonymous

Can one person write out the whole problem step by step so i can kno exatly how to it an whats the answer is

- anonymous

can one person show the whole work for this work please

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