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Glencoe Math: Course 2, Volume 1

GM

Glencoe Math: Course 2, Volume 1 View details

Mid-Chapter Check

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Exercise 5 Page 310

To add or subtract fractions, they need to have the same denominator.

- 4/5

Practice makes perfect

When adding or subtracting fractions, they should have the same denominator. In this exercise, we have two fractions with the same denominator. - 11/15 - 1/15 Because we have a common denominator, we can proceed to simplifying the expression.

- 11/15-1/15

a-b = a+(- b)

- 11/15+( - 1/15)

MoveNegFracToNum

Put minus sign in numerator

-11/15+-1/15

Add fractions

-11+(-1)/15

Add terms

-12/15

a/b=.a /3./.b /3.

-4/5

MoveNegNumToFrac

Put minus sign in front of fraction

- 4/5

Subchapter links

Vocabulary Check p.310

Skills Check and Problem Solving p.310