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Adding and subtracting

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Ms. Paganin

on 20 May 2014

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Transcript of Adding and subtracting

Adding and subtracting
Step 1
First, we are going to add. So what we are going to do is pick 2 differnt fractions like, 3/7 and 4/5.
Step 2
Next, we set them up like we were sutracting. 3/7+4/5=?
Step 3
Now we cant have differnt denominators so heres what we're going to do.
Then we multiply the two denominators together and we will get 35. Next you multiply seven and four,that makes 28 that will make 28/35. Now you mutiply five and three. That will make 15/35.
Step 3
Now lets set them up. 28/35+15/35= 63/35. Do you know how I got the awnser well all I did was add 28 plus 16 and got 63.
Yay your done!
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