Solving Equations with Fractions

Front

What is a fraction?

Back

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you solve an equation with fractions?

Back

To solve an equation with fractions, you can eliminate the fractions by multiplying both sides of the equation by the least common denominator (LCD).

Tags

CCSS.8.EE.C.7B

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that is common to the denominators of two or more fractions.

Front

Back

w = 12.

Tags

CCSS.6.EE.B.7

Front

Back

z = 12.

Tags

CCSS.6.EE.B.7

Front

Back

x = 9.

Tags

CCSS.7.EE.B.4A

Front

Back

The first step is to eliminate the fractions by multiplying through by the least common denominator.

Front

What does it mean to isolate the variable in an equation?

Back

Isolating the variable means rearranging the equation so that the variable is on one side and all other terms are on the opposite side.

Tags

CCSS.6.EE.B.7

Front

Back

x = 7.

Tags

CCSS.6.EE.B.7

Front

What is the principle of equality in solving equations?

Back

The principle of equality states that if you add, subtract, multiply, or divide both sides of an equation by the same number, the two sides remain equal.

Tags

CCSS.HSA.REI.A.1