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Best Answer

781 = 11 x 71
100 = 2 x 2 x 5 x 5
81 = 3 x 3 x 3 x 3
(no common factors)

7.81 as a fraction is 781/100, and as a mixed number it's 7 81/100.

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Wiki User

10y ago
This answer is:
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Wiki User

10y ago

It is: 781/100

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Anonymous

Lvl 1
4y ago
no

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Wiki User

10y ago

7.81 as a fraction is 7 81/100

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Q: What is 7.81 as a fraction?
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