What is a ratio?
Ratios are used to show how things are shared. For example, the necklace in the image has a pattern of two red beads for every three yellow beads.
The ratio of red beads to yellow beads is \(2:3\).
Ratios can have more than two numbers for example, \(3:4:2\).
More guides on this topic
- NEW: Equivalent ratios and simplifying ratios
- NEW: Ratio and fractions, and sharing in a ratio
- NEW: Scale drawings and maps
- NEW: Percentages of an amount
- NEW: Percentage change
- NEW: Repeated percentage change, interest and exponential change
- NEW: Working with proportion
- NEW: Equations of direct and inverse proportion
- Percentages - Edexcel
- Direct and inverse proportion - Edexcel
