4 2/3 - 1 1/3 ÷2 ( please need help)

=4

Step-by-step explanation:

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  4

Step-by-step explanation:

The Order of Operations tells you that you must perform the division first. That is, you first want to calculate ...

  (1 1/3) ÷ 2 = (4/3) ÷ 2 = 2/3

There are several ways you can do this division, but I find the easiest to be ...

  4/3 ÷ 2 = (4÷2)/3 = 2/3

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So, the problem has been simplified to ...

  4 2/3 - 2/3 = 4   ⇔   your answer

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Comment on division involving fractions

Just as multiplying a fraction by an integer means multiplying the numerator by that integer:

  (a/b) × c = (ac)/b

so, division of a fraction by an integer can also be done by dividing the numerator:

  (a/b) / c = (a/c)/b

Either way, the division is equivalent to ...

In this case, the last expression would end up being ...

  4/3 ÷ 2 = 4/(3·2) = 4/6 . . . . . reduces to 2/3

By dividing the numerator, we essentially canceled a common factor of 2:

its an acute right triangle

step-by-step explanation:

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