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Big Ideas Math: Modeling Real Life, Grade 6 View details

5. Multiplying Decimals

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Exercise 9 Page 78

Rewrite the expression so that all of the numbers are fractions.

Practice makes perfect

Before we evaluate the expression, let's first rewrite the expression so that all of the numbers are fractions.

4 13* 4/5

MixedToFrac

a bc=a* c+b/c

4*3+1/3* 4/5

Multiply

12+1/3* 4/5

AddTerms

Add terms

13/3* 4/5

When we multiply fractions, we need to remember that the product of two fractions is equal to the product of the numerators divided by the product of the denominators. Let's find the given product!

13/3* 4/5

MultFrac

Multiply fractions

13* 4/3* 5

Multiply

52/15

The quotient is 5215. We can also write this fraction as a mixed number.

52/15

WriteSum

Write as a sum

45+7/15

WriteSumFrac