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anonymous

  • 5 years ago

my son is trying to add/subtranct mixed number fractions. Please help.

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  1. anonymous
    • 5 years ago
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    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

  2. anonymous
    • 5 years ago
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    so it would be 11/2 + 3/4 ? I'm not sure where you get 11/5

  3. anonymous
    • 5 years ago
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    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

  4. anonymous
    • 5 years ago
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    sorry i meant 11/2, not 11/5. typo*

  5. anonymous
    • 5 years ago
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    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.

  6. anonymous
    • 5 years ago
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    no prob

  7. anonymous
    • 5 years ago
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    :DD

  8. anonymous
    • 5 years ago
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    11/2 = 22/4

  9. anonymous
    • 5 years ago
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    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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