Question

A recipe called for using 8 4/7 cups of flour before baking and another 7 2/ 9 cups after baking. What is the total amount of flour needed in the recipe? Answer as a mixed number.

Answer 1

Explanation:

Since the question stated,"what is the total"? That means we have to add both fractions.

We need to have common denominators.

The Least Common Multiple of 7 and 9 is 63.

Now we can add:

8 36/63 + 7 14/63 = 15 50 / 63.

We can't simplify this fraction.

Therefore, the recipe calls for 15 50/63 cups of flour.

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