Multiplying fractions

5 videos
4 skills
What is 2/3 of 2/3? If 4/7 of the class are boys, how many boys are there? Multiplying fractions is not only super-useful, but super-fun as well.

Multiplying fractions and whole numbers

VIDEO 3:08 minutes
Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro.

Multiplying fractions by whole numbers

PRACTICE PROBLEMS
Practice multiplying a whole number times a fraction.

Multiplying two fractions: an explanation

VIDEO 5:06 minutes
This video will help you think about what it means to multiply two fractions. By drawing the problem and "seeing" the answer, you'll better understand how we arrived at it.

Multiplying two fractions: example

VIDEO 2:26 minutes
Let's practice multiplying two fractions together. We'll learn to simplify the answer, too.

Multiplying positive fractions

PRACTICE PROBLEMS
Multiplying two fractions with simplification.

Multiplying negative and positive fractions

VIDEO 4:33 minutes
See examples of multiplying and dividing fractions with negative numbers.

Multiplying positive and negative fractions

PRACTICE PROBLEMS
Practice multiplying fractions. Fractions in these problems may be positive or negative.

Multiplication as scaling

VIDEO 5:06 minutes
When multiplying fractions, it's sometimes helpful to view the operation as a kind of scaling--that multiplying the fraction times another creates a fractional proportion, or scale. Watch. You'll understand.

Fraction multiplication as scaling

PRACTICE PROBLEMS
Interpret how multiplying by a fraction greater or less than 1 affects the product.