### Egyptian Fractions

The Egyptians expressed all fractions as the sum of different unit fractions. Here is a chance to explore how they could have written different fractions.

### Fractions of Fractions

Weekly Problem 44 - 2013
If you know that a fraction of X is the same as a different fraction of Y, can you work out X/Y?

### Leftovers

Weekly Problem 26 - 2008
If $n$ is a positive integer, how many different values for the remainder are obtained when $n^2$ is divided by $n+4$?

# Harmonic Triangle

##### Stage: 3 Challenge Level:

Congratulations to Alice who sent in a correct solution to this problem:

Congratulations to Ray who also worked on this problem and sent us the following result: