A fraction calculator that can perform addition, subtraction multiplication or division of two fractions. Simply enter the values directly into the corresponding locations and the answer will be updated in real time.

The activity I describe here is one which I have tried with class 8 children. It proved to be an interesting investigation into the patterns in recurring decimals leading to generalization and looking at the reverse process initially through a trial and error approach followed by arriving at the procedure for rationalization.
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