Question

Write 0.21..... as a fraction in simplest form

Answer 1

.21 as a fraction would be 21/100

Answer 2

Answer:

19/90

Step-by-step explanation:

0.2(1)

We know that most recurring decimals like this have a 9

We know that it can't be anything over 99, or else all digits will repeat:

0.212121....

It will be a number over 90, which will be 19/90

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-Chetan K