To round to a whole number you're going to round to the nearest number with no decimal. For a half number you will have a number that ends in .5 or with no decimal.
Examples;
56.893 rounded to the nearest whole number is 57
56.893 is closest to 56 and 57. It is .893 away from 56, but is only .107 away from 57 so, 57 is the nearest whole number.
56.893 rounded to the nearest half number is also 57
The two half numbers that are near 56.893 are 56.5 and 57, but 56.893 is .393 away from 56.5 and only .107 away from 57 so, 57 is the nearer whole number.
3.389 rounded to the nearest whole number is 3
3.389 rounded to the nearest half number is 3.5
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When rounding, if the number is greater than or equal to half, you round up. So 68.50 rounded to the nearest whole number is 69.
Well, honey, when you're dealing with fractions, one third doesn't round to 0 or one half. One third is closer to zero than it is to one half, but it's still one third. So, no need to round it off, just keep it as one third and call it a day.
26
1 and 1/3 + 1 and 1/3.Rounded to the nearest whole and added together: give 1 + 1 = 2Rounded to the nearest half and added together: give 1.5 + 1.5 = 3
50