5 Fractions
Chapter 4 presented some concepts involving fractions that you might not yet fully understand. In this chapter, you’ll “catch up” by learning some important techniques for dealing with fractions.
SLICING UP A PIE
If you imagine fractions as slices of a pie, it can help you see how fractions work. Notice that the fraction 1/4 can be cut into smaller pieces without changing its value as part of the whole, as shown in Fig. 5-1. You can multiply 1/4 by various fractions that are always equal to 1, such as 2/2, 3/3, or 4/4, like this:
image
Figure 5-1
The fraction 1/4 can also be represented as 2/8, 3/12, 4/16, or any other expression ...

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