We introduce some basic orientation towards the difficulties with real numbers. In particular the differences between computable and uncomputable irrational numbers is significant. Then we discuss the relation between fractions and repeating decimals, giving the algorithms for converting back and forth, familiar from high school. The operations of addition and multiplication for repeating decimals are more subtle, and involve some lovely number theoretical aspects.
Questions about MF89: Fractions and repeating decimals
Want more info about MF89: Fractions and repeating decimals?
Get free advice from education experts and Noodle community members.