First, let’s break down each piece of the problem. We have the fraction, 57/64, which is also the dividend, and the whole number, or the divisor, which is 21:
Numerator of the dividend: 57
Denominator of the dividend: 64
Whole number and divisor: 21
So what is 57/64 Divided by 21? 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, 21, and multiply it by the denominator of the fraction, 64:
64 x 21 = 1344
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 57/64 Divided by 21 in decimal form, you can divide the numerator, 1344, by the denominator, 57. The answer can be rounded to the nearest three decimal points, if needed:
So, in decimal form, 57 divided by 64/21 = 23.58
And in its simplest fractional form, 57 divided by 64/21 is 448/19
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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