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What is 3 over 8 plus 4 over 9?

Updated: 9/20/2023
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Wiki User

12y ago

Best Answer

3/8+4/9

To be able to add these together, we need a common denominator. To get this, we find the LCM of the two denominators.

LCM(8,9) = (8 * 9) / GCF(8,9)

LCM(8,9) = 72 / GCF(8,9)

GCF(8,9) = ?

8 = 1 * 2 * 2 * 2

9 = 1 * 3 * 3

GCF(8,9) = 1

LCM(8,9) = 72 / 1

LCM(8,9) = 72

This is your common denominator.

3/8 * 9/9 + 4/9 * 8/8

27/72 + 32/72

59/72

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12y ago
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Q: What is 3 over 8 plus 4 over 9?
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