3-4 Practice: Multiply FractionxFraction and xWhole Number

Front

What is the product of two fractions?

Back

To multiply two fractions, multiply the numerators together and the denominators together. For example, \( \frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d} \).

Tags

CCSS.7.NS.A.2A

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator of the fraction by the whole number and keep the denominator the same. For example, \( n \cdot \frac{a}{b} = \frac{n \cdot a}{b} \).

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is \( \frac{1}{9} \cdot \frac{1}{2} \)?

Back

The product is \( \frac{1}{18} \).

Tags

CCSS.5.NF.B.6

Front

What is \( \frac{7}{10} \cdot \frac{7}{10} \)?

Back

The product is \( \frac{49}{100} \).

Tags

CCSS.5.NF.B.6

Front

What is \( \frac{5}{6} \cdot \frac{3}{4} \)?

Back

The product is \( \frac{15}{24} \), which can be simplified to \( \frac{5}{8} \).

Tags

CCSS.5.NF.B.6

Front

What is the mixed number representation of \( 4 \cdot \frac{3}{8} \)?

Back

The product is \( 1 \frac{4}{8} \) or \( 1 \frac{1}{2} \) when simplified.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is \( \frac{1}{3} \cdot \frac{1}{4} \)?

Back

The product is \( \frac{1}{12} \).

Tags

CCSS.5.NF.B.6

Front

What is the first step in multiplying fractions?

Back

The first step is to multiply the numerators of the fractions.

Tags

CCSS.5.NF.B.6

Front

What is the second step in multiplying fractions?

Back

The second step is to multiply the denominators of the fractions.

Tags

CCSS.5.NF.B.6

Front

How can you simplify the product of two fractions?

Back

You can simplify the product by dividing both the numerator and the denominator by their greatest common divisor (GCD).

Tags

CCSS.5.NF.B.6