What is 18/15 Divided by 21?
Methods
Breaking down the problem:
First, let’s break down each piece of the problem. We have the fraction, 18/15, which is also the dividend, and the whole number, or the divisor, which is 21:
Numerator of the dividend: 18
Denominator of the dividend: 15
Whole number and divisor: 21
So what is 18/15 Divided by 21? Let’s work through the problem, and find the answer in both fraction and decimal forms.
What is 18/15 Divided by 21, Step-by-step
First let’s set up the problem:
18
15
÷
21
\frac{18}{15} ÷ 21
15 18 ÷ 21
Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 15:
15 x 21 = 315
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:
15
⋅
21
18
=
315
18
\frac{ 15 \cdot 21 }{18} = \frac{315}{18}
18 15 ⋅ 21 = 18 315
To display the answer to 18/15 Divided by 21 in decimal form, you can divide the numerator, 315, by the denominator, 18. The answer can be rounded to the nearest three decimal points, if needed:
315
18
=
35
2
=
17.5
\frac{315}{18} = \frac{35}{2}= 17.5
18 315 = 2 35 = 17.5
So, in decimal form, 18 divided by 15/21 = 17.5
And in its simplest fractional form, 18 divided by 15/21 is 35/2
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