anonymous
  • anonymous
I need help adding positive/negative fractions. 1/4 + -3/5?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
***subtracting
anonymous
  • anonymous
1/4 - 3/5
calculusxy
  • calculusxy
yes subtract and take the sign of the larger absolute value

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calculusxy
  • calculusxy
but 3/5 is larger than 1/4 so it's 3/5 - 1/4
anonymous
  • anonymous
You need to get the same denominator
anonymous
  • anonymous
Uh what am I supposed to do when it comes to be subtracting 5/20 over 12/20
calculusxy
  • calculusxy
15/20 - 5/ 20 = 10/20 = 1/2
anonymous
  • anonymous
oh ok thank you
calculusxy
  • calculusxy
now take the sign of the larger fraction
anonymous
  • anonymous
@calculusxy How did you get 15/20?
calculusxy
  • calculusxy
oh sorry 3 x 4 / 5 x 4 = 12/ 20
anonymous
  • anonymous
Oh, so it comes out to be 7/20 right?
calculusxy
  • calculusxy
yes
anonymous
  • anonymous
Ok ty
calculusxy
  • calculusxy
yw

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