We need to divide again to see if it’ll give us a number closer to 1, 0.9090 estimating fractions. The last fraction, the improper fraction, is. The first thing you always need to do before estimating fractions is to round each fraction either to the nearest 0, 1/2, or 1. Example #1. Estimate 3/7 + 5/9.When presented with a quantity and asked to work out a fractional portion, simply divide the given amount by the fraction’s denominator, then. When estimating with fractions you will have to combine two fractions in some way (usually addition, subtraction, multiplication or division).Estimating means calculating or judging a number roughly. The first thing that kids need to do is to round up each fraction to the nearest 0, ½, or 1 before.
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