Question

If you answer can you explain how you got what you got- I'm lost

Answer 1

21/99 or 7/33

Explanation:

let 'x' = .21 repeating

100x = 21.21 repeating

subtract 1x from 100x to get:

21.21 - 0.21 = 21

100x - 1x = 99x

99x = 21

x = 21/99 or 7/33 simplified