Cross multiplication

Front

What is cross multiplication?

Back

A method used to compare two fractions by multiplying the numerator of one fraction by the denominator of the other.

Front

How do you compare fractions using cross multiplication?

Back

Multiply the numerator of the first fraction by the denominator of the second fraction and vice versa. Compare the two products.

Front

What does it mean if a fraction is equivalent to 1?

Back

It means that the numerator and denominator are the same, such as 5/5 or 10/10.

Front

If 3/4 is compared to 2/3 using cross multiplication, which is greater?

Back

3/4 is greater than 2/3.

Front

What is the first step in solving for x in an equation?

Back

Isolate the variable x on one side of the equation.

Front

What is an equivalent fraction?

Back

Fractions that represent the same value, such as 1/2 and 2/4.

Front

How can you determine which fraction is larger: 1/4 or 1/6?

Back

Use cross multiplication: 1*6 (6) and 1*4 (4). Since 6 > 4, 1/4 is larger.

Front

What is the result of cross multiplying 2/5 and 3/4?

Back

2*4 = 8 and 3*5 = 15; since 8 < 15, 2/5 < 3/4.

Front

What does it mean if two fractions are equal?

Back

Their cross products are equal when cross multiplied.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.