3.14 Mixed numbers
In order to do arithmetic with mixed numbers like , it is often best to write them as a simple fraction, that is, one number over another.
Multiplication or division involving mixed numbers is done by converting them to fractions first.
Example 24
(a) Write as a simple fraction.
(b)
To enter on a calculator, you can input .
is called a ‘mixed number’.
Answer
(a)
2 is the same as
So
(b) is so
In multiplication or division involving mixed numbers like , convert the mixed number to a (top heavy) fraction.