What is 42 times 3/10?

How do you multiply 42 by 3/10? Here we will show you step-by-step how to solve 42 times 3/10, which can be written as follows:

Step 1: Setup
First of all, note that 42 is the same as 42/1 since 42 divided by 1 is 42. Therefore, start by setting up the problem like this:

Step 2: Multiply
Multiply the numerators together (42 x 3 = 126) and multiply the denominators together (1 x 10 = 10) and make it into one fraction like so:

126

Step 3: Minimize
The greatest common factor of 126 and 10 is 2. 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 mixed number to get the answer:

That's it! Now you know how to calculate 42 times 3/10.

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