What is 21 times 4/7?

How do you multiply 21 by 4/7? Here we will show you step-by-step how to solve 21 times 4/7, which can be written as follows:

Step 1: Setup
First of all, note that 21 is the same as 21/1 since 21 divided by 1 is 21. Therefore, start by setting up the problem like this:

Step 2: Multiply
Multiply the numerators together (21 x 4 = 84) and multiply the denominators together (1 x 7 = 7) and make it into one fraction like so:

Step 3: Minimize
The greatest common factor of 84 and 7 is 7. Minimize the fraction by dividing the numerator and the denominator by its greatest common factor to get:

Step 4: Convert
Convert the improper fraction above to a whole number to get the answer:

That's it! Now you know how to calculate 21 times 4/7.

Whole Number Times Fraction Calculator
Enter another whole number and fraction for us to multiply together:

What is 21 times 4/8
Did you like our explanation and solution to 21 times 4/7? If so, try the next problem on our list here.