Excel - How to find the Greater Common Divisor (GCD Function) and show as Ratios

Posted on: 08/30/2022

The GCD Function in Excel finds the Greatest Common Divisor. We will use GCD to show Ratios in Excel.

GCD finds the greatest common divisor, which is an integer, and it will divide into the numbers without a remainder.

Examples of GCD function

The GCD of the three numbers 10, 50, and 100 is 10.
The GCD of 7, 35, and 70 is 7.
The GCD of 7, 9, and 70 is 1. Seven will go into 7 and 70 but not in 9 without a remainder.
The GCD of 64 and 144 is 16. Sixteen goes into both 64 and 144.

Word Articles

YouTube Video of GCD Function

Chapters

0:00 Intro
0:24 GCD Function
1:10 Ratios using GCD

How to use GCD to calculate ratios

To calculate rations using GCD, take the numerator and divide by the GCD of both numbers Next take the denominator and divide by the GCD of both numbers.

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Chris Menard

Chris Menard is a Microsoft Trainer (MCT) and works as a full-time Trainer at BakerHostetler - one of the largest law firms in the US. Chris runs a YouTube channel with 900+ technology videos that cover various tools such as Excel, Word, Zoom, Teams, Gmail, Copilot, Google Calendar, and Outlook. To date, the channel has helped over 20 million viewers. Menard also does 2 to 3 public speaking events yearly, presenting at the Administrative Professional Conference (APC), the EA Ignite Conference, the University of Georgia, and CPA conferences. You can connect with him on LinkedIn at https://chrismenardtraining.com/linkedin or watch his videos on YouTube at https://chrismenardtraining.com/youtube.