4 November, 22:06
Which is a good comparison of the estimated sum and the actual sum of 7 9/12+2 11/12
4 November, 22:45
7 9/12 = 7.75
2 11/12 = 2.917
So we ca round both of these up.
7.75 rounds to 8
2.917 rounds to 3
8 + 3 = 11
So the estimated sun is 11.
7 9/12 + 2 11/12 = 10 2/3
So the actual sum is 10 2/3.
The estimated sum is a pretty good estimate to the original number.
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» Which is a good comparison of the estimated sum and the actual sum of 7 9/12+2 11/12