Solve for X: 4⅓ × x = 21⅔ Mixed Number Equation

Solve the equation

413x=2123 4\frac{1}{3}\cdot x=21\frac{2}{3}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve the following expression
00:05 Break down the fraction
00:13 Convert the whole number into a proper fraction
00:23 Combine the fractions
00:29 Insert the solution into the exercise
00:33 Use the same method for the second number
00:37 Break down the fraction
00:45 Convert the whole number into a proper fraction
00:51 Combine the fractions
01:01 Insert the solution into the exercise
01:08 Multiply by the denominator in order to eliminate fractions
01:20 Simplify where possible
01:28 Isolate the unknown X and calculate
01:37 Here is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve the equation

413x=2123 4\frac{1}{3}\cdot x=21\frac{2}{3}

2

Step-by-step solution

We have an equation with a variable.

Usually, in these equations, we will be asked to find the value of the missing (X),

This is how we solve it:

To solve the exercise, first we have to change the mixed fractions to an improper fraction,

So that it will then be easier for us to solve them.

Let's start with the four and the third:

To convert a mixed fraction, we start by multiplying the whole number by the denominator

4*3=12

Now we add this to the existing numerator.

12+1=13

And we find that the first fraction is 13/3

Let's continue with the second fraction and do the same in it:
21*3=63

63+2=65

The second fraction is 65/3

We replace the new fractions we found in the equation:

13/3x = 65/3

At this point, we will notice that all the fractions in the exercise share the same denominator, 3.

Therefore, we can multiply the entire equation by 3.

13x=65

Now we want to isolate the unknown, the x.

Therefore, we divide both sides of the equation by the unknown coefficient -
13.

63:13=5

x=5

3

Final Answer

x=5 x=5

Practice Quiz

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Solve for X:

\( x - 3 + 5 = 8 - 2 \)

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