Converting repeating decimals to fractions (part 1 of 2) (Full video)

Khan Academy

Supporting grades: 8

Description: Learn how to convert the repeating decimals 0.77777... and 1.22222... to fractions. Created by Sal Khan. So let's say I had the repeating decimal 0.7. So this is the same thing as 0.7777 and I could just keep going on and on and on forever with those 7s. So the trick to converting these things into fractions is to essentially set this equal to a variable.

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