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How would a math tutor solve what is 20/5 Divided by 81?
Methods
Breaking down the problem:
First, let’s break down each piece of the problem. We have the fraction, 20/5, which is also the dividend, and the whole number, or the divisor, which is 81:
Numerator of the dividend: 20
Denominator of the dividend: 5
Whole number and divisor: 81
So what is 20/5 Divided by 81? Let’s work through the problem, and find the answer in both fraction and decimal forms.
What is 20/5 Divided by 81, Step-by-step from a math tutor
First let’s set up the problem:
Step 1:
Take the whole number, 81, and multiply it by the denominator of the fraction, 5:
5 x 81 = 405
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 20/5 Divided by 81 in decimal form, you can divide the numerator, 405, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
So, in decimal form, 20 divided by 5/81 = 20.25
And in its simplest fractional form, 20 divided by 5/81 is 81/4
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