Math Tutor Explains: What is 40/21 Divided by 9?

First, let’s break down each piece of the problem. We have the fraction, 40/21, which is also the dividend, and the whole number, or the divisor, which is 9:

Numerator of the dividend: 40

Denominator of the dividend: 21

Whole number and divisor: 9

So what is 40/21 Divided by 9? Let’s work through the problem, and find the answer in both fraction and decimal forms.

First let’s set up the problem:

Step 1:

Take the whole number, 9, and multiply it by the denominator of the fraction, 21:

21 x 9 = 189

Step 2:

The result of this multiplication will now become the denominator of the answer. The answer to the problem in fraction form can now be seen:

To display the answer to 40/21 Divided by 9 in decimal form, you can divide the numerator, 189, by the denominator, 40. The answer can be rounded to the nearest three decimal points, if needed:

So, in decimal form, 40 divided by 21/9 = 4.72

And in its simplest fractional form, 40 divided by 21/9 is 189/40

If this problem was a little difficult or you want to practice your skills on another one, give it a go on any one of these too!

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