mstaurus mstaurus

25-01-2018
Mathematics

contestada

3/5 and4/7 put these over a common denominator

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dogewarrior187 dogewarrior187

25-01-2018

The common denominater for the question is 35. Multiply 7 x 5 because in this case, they have no number before that which is common.

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brilliantBrunette brilliantBrunette

25-01-2018

A possible common denominator are -> 21/35 and 20/35.

I just multiplied the denominators by each other, if I can't find another way.
I would multiply five times sevon, to get 35, and then do the same to the numorator, getting 21. Then I would multiply sevon by five, getting 35, and then do the same to the numorator, getting 20.

I hope this helps! XD

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