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4 votes
Work out the following:

a) 3/4 - 7/9 + 2/3

1 Answer

4 votes

Answer: 23/36

Explanation:


(3)/(4) -(7)/(9) +(2)/(3)

You need to find a common denominator.

The common denominator is 36. You have to get all denominators to 36.

How to do that?

Example =
(3)/(4) *(9)/(9) =(27)/(36).

Do that to all the fractions.


(27)/(36) -(28)/(36) +(24)/(36) = (23)/(36)

User Ben Golding
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