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One way we could solve this is to multiply 18 by 19, (342) then convert our numerators to their new denominator (342) so your problem would look like this:

114/342 + 54/342 = 168/342 which simplifies to 28/57, or twenty-eight fifty-sevenths.

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14y ago
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Q: What is the sum of six eighteenths plus three nineteenths?
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