Multiplying Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. For example, (a/b) x (c/d) = (a*c)/(b*d).

Tags

CCSS.5.NF.B.6

Front

What is the product of 2 and 3/4?

Back

2 x 3/4 = 6/4 or 1 1/2.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the product of 4 and 5/6?

Back

4 x 5/6 = 20/6 or 3 1/3.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Front

What is the product of 3/10 and 5/9?

Back

3/10 x 5/9 = 15/90 = 1/6.

Tags

CCSS.5.NF.B.6

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Tags

CCSS.3.NF.A.3C

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator and add the numerator. For example, 2 1/2 = (2*2 + 1)/2 = 5/2.

Front

What is the product of 3 1/2 and 3/4?

Back

3 1/2 x 3/4 = 7/2 or 2 5/8.

Tags

CCSS.5.NF.B.6

Front

What is the importance of finding a common denominator?

Back

Finding a common denominator is important when adding or subtracting fractions to ensure the fractions are comparable.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2