anonymous
  • anonymous
my son is trying to add/subtranct mixed number fractions. Please help.
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
example: 5 1/2+ 3/4 first we must convert the mixed fraction(5 1/2) to an improper fraction. we do this by first mulitiplying 5 times the denominator, which is 2. 5*2=10. we then add that to the numerator(1) 10+1=11 we use 11 as the new numerator. : 11/5
anonymous
  • anonymous
so it would be 11/2 + 3/4 ? I'm not sure where you get 11/5
anonymous
  • anonymous
next, to add 11/2 +3/4 we need to have the same denominator, which we could turn the 11/2 into 44/4 we can then add. 44/4+3/4= 48/4

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anonymous
  • anonymous
sorry i meant 11/2, not 11/5. typo*
anonymous
  • anonymous
okay, that is what I thought but someone else told me not to convert to improper fractions but to factor in the whole number. Thx.
anonymous
  • anonymous
no prob
anonymous
  • anonymous
:DD
anonymous
  • anonymous
11/2 = 22/4
anonymous
  • anonymous
Also, if they don't want improper fractions, just add the fractional components seperately first. Then simplify that to a mixed fraction if it's improper. Then just add the sum of the whole components of the mixed fractions to the new mixed fraction.

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