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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Adding and Subtracting Real Numbers

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Exercise 40 Page 34

Make sure the fractions have the same denominator.

- 5/8

Practice makes perfect

When subtracting fractions, they need to have the same denominator. Since 4* 2=8, we can create the same denominator by multiplying the numerator and denominator in 34 by 2.

1/8-3/4

a/b=a * 2/b * 2

1/8-3* 2/4 * 2

Multiply

1/8-6/8

Subtract fractions

1-6/8

Subtract term

- 5/8

MoveNegNumToFrac

Put minus sign in front of fraction

- 5/8

The difference is - 58.

Subchapter links

Lesson Check p.33

Practice and Problem-Solving Exercises p.34-36

Standardized Test Prep p.36

Mixed Review p.36