Try some yourself
Activity 9
The diagram below shows an oatmeal cake marked into 12 equal portions. I want to give my sister a third of the cake. Where could I cut the cake, and what would be left over?
Answer
(There are several other ways of cutting the cake into one-third (4 portions) and two-thirds (8 portions).)
Activity 10
Which two of the following fractions are equivalent to each other?
Answer
Only and are equivalent fractions, since .
(Notice that neither , which is , nor , which is , are equivalent to .)