16. Why does it make sense to separately add the whole numbers and fractions when adding mixed numbers? *

17. Why can using equivalent forms of a fraction help you figure out fractions between two given
fractions?

18. Why does figuring out the average of two fractions give you a fraction between them?

16)To add mixed numbers, we first add the whole numbers together, and then the fractions. If the sum of the fractions is an improper fraction, then we change it to a mixed number. Here's an example. The whole numbers, 3 and 1, sum to 4.

Step-by-step explanation:

17)Equivalent fractions can be found by multiplying or dividing both the numerator and the denominator by the same number.

18)How to Find the Average of Fractions. Add up the fractions and divide the sum by the number of fractions.

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step-by-step explanation: