February 2014
Beginner
384 pages
6h 58m
English
Content preview from Basic Math and Pre-Algebra For Dummies, 2nd Edition
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Chapter 10
Par ting Ways: Fractions and the Big Four Operations
In This Chapter
Looking at multiplication and division of fractions
Adding and subtracting fractions in a bunch of different ways
Applying the four operations to mixed numbers
In this chapter, the focus is on applying the Big Four operations to fractions. I start by showing you how to multiply and divide fractions, which isn't much more difficult than multiplying whole numbers. Surprisingly, adding and subtracting fractions is a bit trickier. I show you a variety of methods, each with its own strengths and weaknesses, and I recommend how to choose which method will work best, depending on the problem you have to solve.
Later in the chapter, I move on to mixed numbers. Again, multiplication and division won't likely pose too much of a problem because the process in each case is almost the same as multiplying and dividing fractions. I save adding and subtracting mixed numbers for the very end. By then, you'll be much more comfortable with fractions and ready to tackle the challenge.
Multiplying and Dividing Fractions
One of the odd little ironies of life is that multiplying and dividing fractions is easier than adding ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.