Jaime has two fractio}, thns, 3/18 and 13/15 at he needs to compare. He knows he will not be able to tell which is bigger until they have been rewritten with the same denominator. Which of the following shows both of these fractions rewritten with their least common denominator?

Question

Mathematics

Leland Hurley

6 June, 19:41

Jaime has two fractio}, thns, 3/18 and 13/15 at he needs to compare. He knows he will not be able to tell which is bigger until they have been rewritten with the same denominator. Which of the following shows both of these fractions rewritten with their least common denominator?

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Answers (1)

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Jazmin Farrell · Answer 1

3/18 = 15/90

13/15 = 78/90

To rewrite it as the same denominator you have to find a number that they both go into. So 90 is the lowest number that both 18 and 15 go into. 18 x 5 is 90 and 15 x 6 is 90 so what you do to the denominator you have to do to the numerator. So then you do 3 x 5 which equals 15 and you have to do 13 x 6 which equals 78. So the equation would end up being with the two fractions 15/90 and 78/90.