5. Add and Subtract Mixed Numbers
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Begin by rounding the mixed numbers.
5 * 8 ≈ 40
Before we will make an estimate, we will round 5 14 and 7 23. 5 14 * 7 23 ≈ 5 * 8 Next, we will use the rounded number to make an estimate. 5 14 * 7 23 ≈ 5 * 8 ≈ 40