5. Add and Subtract Mixed Numbers
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Begin by rounding the mixed numbers.
5 * 11 ≈ 55
Before we will make an estimate, we will round 4 34 and 11 29. 4 34 * 11 29 ≈ 5 * 11 Next, we will use the rounded number to make an estimate. 4 34 * 11 29 ≈ 5 * 11 ≈ 55