3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

Subtracting Fractions

Subtracting Fractions
Subtracting fractions can be tricky for some, and can take a bit of work to learn at first. Here I will be breaking down the steps as clearly as possible.
 
Remove these adsRemove these ads by Signing Up
 

Step 1Find the LCD (lowest common denominator)

Find the LCD (lowest common denominator)
A denominator is the bottom number of a fraction.

When you have two fractions, we need to find a multiple of the two denominators that are equal. We do this by comparing the multiples of both denominators until we find the first instance where both denominators are the same number.In this example our denominators are 3 and 5.

For help with the art of multiplication, see Kitemans instructable on multiplication
« Previous StepDownload PDFView All StepsNext Step »

Pro

Get More Out of Instructables

Already have an Account?

close

All Steps Viewing
View all steps of an Instructable on the same page when you're a Pro Member.

Upgrade to Pro today!
0
Followers
1
Author:Keeter