Calculate proportions: Cross-multiply fractions, easily, with this simple Android app!

• Enter three numbers into the two fractions.
• Leave empty the number you are looking for.
• Get your results as you type, both in sentence form, and as a solved equation.

I have provided translations for multiple languages. You can use the app in your phone’s native language.

If you spot any translation errors in your language, please email me. I will try to fix it.

There is a small banner ad near the bottom of the screen. Your work will not be interrupted with other annoying ads.