Plain definition
A ratio compares two things: “3 to 2” might mean three cups of water for every two of rice. Order matters: 3:2 is not the same story as 2:3.
Simplify like a fraction
Simplify like a fraction: 6:4 and 3:2 describe the same comparison. The mix is unchanged; the numbers are just smaller.
Scale it
Mistakes
- Adding ratios as if they were plain numbers.
- Flipping order when the problem names A first then B.
Use the calculator
FAQ
- Ratio versus fraction?
A fraction is one number ÷ another. A ratio names two quantities side by side. They line up when the denominator is “the rest of the whole.”