How to Calculate 1/1 Plus 18/51

Are you looking to work out and calculate how to add 1/1 plus 18/51? In this really simple guide, we'll teach you exactly what 1/1 + 18/51 is and walk you through the step-by-process of how to add two fractions together.

To start with, the number above the line in a fraction is called a numerator and the number below the line is called the denominator.

Why do you need to know this? Well, because the easiest way to add fractions together is to make sure both fractions have the same denominator.

Let's set up 1/1 and 18/51 side by side so they are easier to see:

1 / 1 + 18 / 51

Our denominators are 1 and 51. What we need to do is find the lowest common denominator of the two numbers, which is 51 in this case.

If we multiply the first denominator (1) by 51 we will get 51. If we we multiply the second denominator (51) by 1 we will also get 51. We also need to multiply the numerators above the line by the same amounts so that the fraction values are correct:

1 x 51 / 1 x 51 + 18 x 1 / 51 x 1

This is what 1/1 plus 18/51 looks like with the same denominator:

51 / 51 + 18 / 51

Now that these fractions have been converted to have the same denominator, we can add the result together to make one fraction:

51 + 18 / 51 = 69 / 51

You're done! You now know exactly how to calculate 1/1 + 18/51. Hopefully you understood the process and can use the same techniques to add other fractions together. The complete answer is below (simplified to the lowest form):

1 6/17

Note: since the numerator is greater than the denominator in this example, we've simplified it into a mixed fraction.

Convert 1/1 plus 18/51 to Decimal

Here's a little bonus calculation for you to easily work out the decimal format of the fraction we calculated. All you need to do is divide the numerator by the denominator and you can convert any fraction to decimal:

69 / 51 = 1.3529

Cite, Link, or Reference This Page

If you found this content useful in your research, please do us a great favor and use the tool below to make sure you properly reference us wherever you use it. We really appreciate your support!

  • "How to Calculate 1/1 plus 18/51". Accessed on September 24, 2023.

  • "How to Calculate 1/1 plus 18/51"., Accessed 24 September, 2023.

  • How to Calculate 1/1 plus 18/51. Retrieved from

Preset List of Fraction Addition Examples

Below are links to some preset calculations that are commonly searched for: