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highwireact
To get a close estimate, we can round 49 up to 50 and 311 down to 300, obtaining an estimate of 50/300 = 1/6, or 0.1666... as a repeating decimal. That decimal approximation is a little less than one hundredth away from the actual decimal approximation of ≈ 0.1576
hmercaut
If you’re estimating, you’d usually round the numbers and proceed.
49 would round up to 50.
311 would round down to 300.
300 / 50 = 6.
(Unless you were doing 50 / 300, which would be -0.166666...)

Hope that helped! :)

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