anonymous
  • anonymous
Adding fractions, help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
The problem is -2/15 + 5/6
anonymous
  • anonymous
To add fractions, you simply must find the common denominators for the denominators. Once you find the LCD, you can multiply your fractions with your new LCD.
anonymous
  • anonymous
Here's my work: 5/6 - 2/15 Common Denominator: 30 5/6 * 5/5= 25/30 2/15 * 2/2= 4/30 25/30 + 4/30 = 29/30 = - 29/30

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More answers

anonymous
  • anonymous
What have I done wrong?
anonymous
  • anonymous
Here's my work: 5/6 + 2/15 **** Common Denominator: 30 5/6 * 5/5= 25/30 2/15 * 2/2= 4/30 25/30 + 4/30 = 29/30 = - 29/30
anonymous
  • anonymous
Sorry, messed up there!
Hero
  • Hero
Since when does 29/30 = -29/30 ?
anonymous
  • anonymous
It's rights
anonymous
  • anonymous
You did it right
anonymous
  • anonymous
Because I was told when adding a positive fraction to a negative one, find the answer and at the end add a negative sign in front of it.
anonymous
  • anonymous
Good for you!:)
anonymous
  • anonymous
Is that not true?
anonymous
  • anonymous
Well true
Hero
  • Hero
So @YoshinTown and @Ashja how come it is not 25/30 - 4/30 ?
anonymous
  • anonymous
I guess it's right. Sorry if I'm not that much help. I haven't done math all summer! I calculated myself and got the same answer as you ! It should be correct!
anonymous
  • anonymous
You can't switch the fractions around hero
anonymous
  • anonymous
Yup my brain just exploded, someone please explain
Hero
  • Hero
@YoshinTown, whatever you calculated, it isn't correct. I wish you would cease talking for a minute so that I can help @Ashja
anonymous
  • anonymous
Oh sorry...
Hero
  • Hero
If you had something like -2 + 5 Couldn't you re-write it is 5 - 2 ? If so, why wouldn't you be able to do it with fractions?
anonymous
  • anonymous
Actually th e answer is wrong. When your at -4/30+25/30, the -4 and 25 are like integers
anonymous
  • anonymous
So then it would be 21/30
Hero
  • Hero
Now you're just giving answers.
anonymous
  • anonymous
But don't forget that you have to reduce so then your answer will be 7/10
Hero
  • Hero
@YoshinTown, you are being very rude.
anonymous
  • anonymous
I'm just explaining
Hero
  • Hero
You didn't explain anything.
anonymous
  • anonymous
Why?:(
anonymous
  • anonymous
Some people do this in openstudy
anonymous
  • anonymous
Well you didn't explain that much! Your being kinda rude
anonymous
  • anonymous
I feel sad
anonymous
  • anonymous
Sorry
Hero
  • Hero
That's because I was too busy trying dealing with you to help anyone. You kept telling me that what I was saying was wrong. Clearly \[\frac{5}{6} - \frac{2}{15} = \frac{25}{30} - \frac{4}{30} = \frac{21}{30} = \frac{7}{10}\] And yes, addition of fractions are commutative.
anonymous
  • anonymous
I didn't mean to say that
anonymous
  • anonymous
I didn't mean your answer was wrong, I meant mines or the girl who needed help

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