Chapter 3 Fractional Notation & Mixed Numerals

There are two ways to add and subtract mixed numbers. The easiest method is to convert them to improper fractions and then add/subtract as with common fractions. The second method is to add/subtract the fractional portions and then add/subtract the whole number portions. The problem with the second method is that we may have to carry when adding and borrow when subtracting which can be quite ... ................
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