The classic way to teach fraction division is like this. To work out, say,
we ‘turn the second fraction upside-down’, to get
and then the division question becomes a multiplication question.
The classic way to teach fraction division is like this. To work out, say,
we ‘turn the second fraction upside-down’, to get
and then the division question becomes a multiplication question.
Here’s an old fraction puzzle. I have no idea who invented this, or whether it is decades or centuries old, but it’s always been a favorite conundrum of mine.
It starts with a man who wills his possessions to his three sons. The will specifies that the eldest son should get half his fortune, the second son a quarter, and the youngest son a sixth.