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Okay, if you say so.

hang on imma draw my problem

Lol

\[-4\frac{ 3 }{ 5 }-2\frac{ 1 }{ 2 }\]

I dont understad how to simplify these problems

Id rather know how to do this problem then relie on a caculator

dude uve been typing for the past 20 minutes are you gonna help me?

-71/10

changed mixed numbers to improper fractions

so -(23/5)-(5/2)=-(46/10)-(25/10)=-71/10

ok multiply 5 by 4 and then add 3 for first fraction to get -23/5

you get the numerator that way over the same denominator

so like x(a/b) = (bx+a)/b

do same for second fraction to end up with improper fractions

so I have to find the common denominator before anythiing

i would get them to imporper fractions before common denominators

yes then find common denominator if it is not already there.

okay so it should be 12/5 -2/2

then the denominators should be 10 right

no \[4 \frac{ 3 }{ 5 }\]

becomes 23/5

how did you get 23

because 5*4 is 20 and then add 3 to get 23

that is new numerator

and denominator stays the same

oh okay so let me try again

23/5 - 5/2

look at this http://www.mathplayground.com/fractions_mixed.html

yes thats right but dont forget the minus signs

okay the 23/5 would be negative right ?

yes

because 4(3/5) was negative

the number is the same just converted to make it easier to do computations

type in calculator and see you get the same number

-(23/5) -5/2 and the common denominator would be ten right

also 5 goes into 23 4 times plus some remainder which is the fraction

yes

okay i got that

so were do i go from there

just subtract the numerators and get the solution

18/10

the denominator stays the same so -71/10

how did you get 71

when you multiplied to get common denominator what did you get?

-46/10-25/10=-71/10

I did'nt multipy anything

do u see how I got that

you cross multiplyed?

oh sorry I wrote that wrong ignore it

so -23/5 by 2/2 and -5/2 by 5/5

okay I see

so -71/10

do you get it?

yea

-71/10 right and that can be simplified

take a look at this http://www.mathsisfun.com/numbers/common-denominator.html

yes correct!

cool thanks man

no problem take care

you too

do you see what i mean