MathematicsIf Kohli ate 47 part of an apple and his sister Nitu ate the remaining part of it, then the difference between the parts they ate is

If Kohli ate $\frac{4}{7}$ part of an apple and his sister Nitu ate the remaining part of it, then the difference between the parts they ate is

Part of apple eaten by Kohli $= \frac{4}{7}$

Part of apple eaten by Nitu $= 1 - \frac{4}{7} = \frac{3}{7}$

Difference $= \frac{4}{7} - \frac{3}{7}$

$= \frac{4 - 3}{7}$

$= \frac{1}{7}$

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