Multi-touch Fractions

Explore division of one unit into fractions with multi-touch. Touch any fraction of the unit with two or more fingers to further divide it by the number of touches. Touch two or more fractions with the same denominator to add them.
In addition to open ended exploration, search given fractions by dividing and adding fractions until you find the correct fraction. You can also set your own fractions to search.
Each fraction has its unique color which creates harmonious and beautiful combinations of fractions.
Features:
-Divide one unit into up to 256 parts by touching it
-Add fractions with same denominators
-Open ended exploration
-Random and custom search tasks
Other iDevBooks math apps
iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, and other other respected sites and organizations.
Some of the 40 other iDevBooks math apps are Visual Fractions Decimals and Percentages, Visual Multiplication Table, Decimal Rounding, Whole Number Rounding, Column Subtraction, Column Addition, Long Division, and Long Multiplication.
Feedback and requests for new features
New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback.
Privacy
This app has no ads or in-app purchases and it does not transmit any data during the operation of the app. This app also does not contain any links to other apps or the web.