“Who would draw a picture to divide 2/3 by 3/4?” asked Marina Ratner, a professor emerita of mathematics at the University of California at Berkeley, in a recent Wall Street Journal opinion piece.

In multiplying fractions, you simply multiply straight across the numerator and straight across the denominator. If you have "a" divided by "b" times "c" divided by "d," that just equals "a" times "c" ...

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...

When you multiply numbers together, you’re looking at how many groups of, or lots of, something you have. You can use this same thinking, when you are multiplying fractions. For example: \( \frac{2}{3 ...

A lot of students begin by finding a common denominator for the dividend and divisor when dividing by a fraction. And a lot of teachers intervene by saying, “Remember, you only need a common ...

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

Say I wanted to write two-thirds (2/3) as an equivalent fraction with a denominator of 24. Equivalent fractions are fractions that represent the same quantity. We must first ask ourselves, "What do I ...

According to research by the author of Playful Interactions Dr. Karyn Purvis, scientists have determined that it takes approximately 400 repetitions to create a new synapse in the brain — unless it’s ...

Math teachers know that fractions can be hard for the average third-grader. Teachers at a public school in San Bruno, Calif., just south of San Francisco, are trying something new. They're teaching ...

When you multiply numbers together, you’re looking at how many groups of, or lots of, something you have. You can use this same thinking, when you are multiplying fractions. For example: \( \frac{2}{3 ...