The common denominator model, while not really a picture, demonstrates that the same rules apply to multiplication and division with fractions. It also shows why “invert and multiply” works.

How to multiply multiple numbers from several cells in Excel There may come a time when you feel the need to multiply numbers that are situated in different cells. The question is, how do we do this?

You may want to multiply cells or numbers in Microsoft Excel to analyze data. Here's what you need to know to do it.

Still, be sure to also teach students the common denominator approach, since they don’t need to flip and multiply fractions in order to divide and conquer them.