Hope everyone is safe during this Hurricane! Here are some of the fraction notes from class for you to review. 726/716 will have a test on adding, subtracting, multiplying, and dividing fractions this week. 725 will have the unit test.
We discussed two ways to Add and Subtract Mixed Numbers. You can always add or subtract the fractions first and then the whole numbers. However, sometimes when subtracting you may need to "borrow" a whole and add it to the fraction! If this gets to confusing...remember that you can always convert the mixed numbers to improper fractions first and then add and subtract as usual. (ALWAYS FIND THE COMMON DENOMINATOR FIRST) Hardest Case: Subtracting and BORROWING! :
We discussed a few ways to Add and Subtract Fractions. or feel free to use the
BUTTEFLY METHOD First: See if the fraction is one of the "friendly fractions." The chart below should be helpful to study. Sometimes...you may have to use LONG DIVISION :)
Remember: Improper Fractions are fractions in which the number is equal to or greater than the denominator. Mixed Numbers are a combination (the sum) of a whole number and fraction.
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February 2013
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