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

1. Algebraic Expressions

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Exercise 7 Page 206

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

1 718

Practice makes perfect

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

2 79÷ 2

MixedToFrac

a bc=a* c+b/c

2* 9+7/9 ÷ 2

Multiply

18+7/9 ÷ 2

AddTerms

Add terms

25/9 ÷ 2

WriteAsFrac

Write as a fraction

25/9 ÷ 2/1

Recall that dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. 25/9 ÷ 2/1=25/9 * 1/2 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!

25/9 * 1/2

MultFrac

Multiply fractions

25* 1/9* 2

Multiply

25/18

The quotient is 2518. We can also write this fraction as a mixed number.

25/18

WriteSum

Write as a sum

18+7/18

WriteSumFrac