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7.85 is 7 85/100 or 700/100 + 85/100, right?

So you are asking what is (700+85) / 100 in lowest denominator?

To find this you need to keep dividing each top and lower number by the same amount until you can't divide anymore:

785 /100 divided by 5/5 (because you always get the same number by dividing by one and 5/5 is 1) = 157/20 since 785/5 is 157 and 100/5 is 20.

Since 20 can only be divide by 1, 2, 4, 5,10, 20 and none of these numbers can divide evenly into 157, we stop here (whew) at:

157/20

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Q: What is the fraction of 7.85 in the lowest term?
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