What is happening
You arrive at a pizza kitchen scaling a recipe from four slices to twenty.
The old tray was cut into four and three parts were cheese. The new tray is cut into twenty and nobody knows how many parts to cover.
Equivalent fractionsRunning
Quarters scaled up
8parts
Twentieths needed
60parts
Quarters scaled up is short by 52 parts
Fraction wheel. Cheese pieces at 2 pieces. Quarters scaled up 8 parts, Twentieths needed 60 parts. Currently quarters scaled up is short by 52 parts.
What has to balance