anonymous
  • anonymous
Please Help.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
@Vocaloid
Vocaloid
  • Vocaloid
convert (-5/6) to have a denominator of 18

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Vocaloid
  • Vocaloid
(multiply the numerator and the denominator by 3)
anonymous
  • anonymous
Sorry had to refresh what do I multiply again?
Vocaloid
  • Vocaloid
multiply the numerator and the denominator by 3
Vocaloid
  • Vocaloid
-5 is the numerator 6 is your denominator.
anonymous
  • anonymous
So I got 15/54, which I don't know if I got it right
Vocaloid
  • Vocaloid
-5*3 = ?
anonymous
  • anonymous
-15
Vocaloid
  • Vocaloid
good, now 6*3=?
anonymous
  • anonymous
is 18
Vocaloid
  • Vocaloid
good, so -5/6 = -15/18, agree?
anonymous
  • anonymous
Agree.
Vocaloid
  • Vocaloid
then we just add (-15/18)+(6/18)
anonymous
  • anonymous
21/18
Vocaloid
  • Vocaloid
-15+6 = ?
anonymous
  • anonymous
I mean -21/18
Vocaloid
  • Vocaloid
still not right -15+6 = ?
anonymous
  • anonymous
-9
Vocaloid
  • Vocaloid
good, so (-15/18)+(6/18) = (-9/18) = -1/2
Vocaloid
  • Vocaloid
lets move on to the next one
anonymous
  • anonymous
Okay.
Vocaloid
  • Vocaloid
start by adding the fractions (3/10) + (1/5) = ?
anonymous
  • anonymous
I start by finding their LCD which is 10
Vocaloid
  • Vocaloid
yeah, keep going
Vocaloid
  • Vocaloid
change 1/5 to 2/10
anonymous
  • anonymous
So 2/10 plus 3/10?
Vocaloid
  • Vocaloid
yes
anonymous
  • anonymous
Okay it's 5/10 = 1/2
Vocaloid
  • Vocaloid
good, now we add in the 6 and 7
Vocaloid
  • Vocaloid
to get 13 and 1/2
anonymous
  • anonymous
Is that for 9?
Vocaloid
  • Vocaloid
no, we're still on 8
anonymous
  • anonymous
Oh okay.
anonymous
  • anonymous
Ohhhhhh 13 1/2
Vocaloid
  • Vocaloid
right.
anonymous
  • anonymous
Okay I'm ready for the next one when you are.
Vocaloid
  • Vocaloid
good, find the LCD of 2 and 12
anonymous
  • anonymous
Its 12
Vocaloid
  • Vocaloid
good, now convert 1/2 to 6/12 and then subtract.
Vocaloid
  • Vocaloid
great!!
anonymous
  • anonymous
7/12 - 6/12 is 1/2
Vocaloid
  • Vocaloid
1/12
anonymous
  • anonymous
12*
Vocaloid
  • Vocaloid
yup :P

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