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Do you get the same sum when you use 18 rather than 9 as a common denomiter for 2 thirds and 4 nineths?
Wiki User
∙ 13y ago
yes you would get the same answer. when you use 18 the fraction is just in a different form but should still be the same number.
(6 / 9) + (4 / 9) = 10 / 9 = 1.11
(12 / 18) + (8 / 18) = 20 / 18 = 1.11
Just remember to multiply the numerator by the same factor as you do the denominator.
Wiki User
∙ 13y ago
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63
