What fraction is equal to 0.7 with a line over 7

Svichkar asked Nov 25, 2022

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18 votes

$What fraction is equal to 0.7 with a line over 7-example-1$

Svichkar asked Nov 25, 2022

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21 votes

If x = 0.777…, then

10x = 7.777…

10x - x = 7.777… - 0.777…

9x = 7

x = 7/9

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