Subtract: $\frac{3}{4} - \frac{1}{2}$

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Solution

To subtract : $\frac{3}{4} - \frac{1}{2}$
Converting the above unlike fractions into like fractions by obtaining L.C.M of their denominators, we get
L.C.M of $4$ and $2$ $= 4$
$\frac{1}{2} = \frac{1 \times 2}{2 \times 2} = \frac{2}{4}$
Now $\frac{3}{4} - \frac{1}{2}$ $= \frac{3}{4} - \frac{2}{4}$
$= \frac{3 - 2}{4}$
$= \frac{1}{4}$
Thus, $\frac{3}{4} - \frac{1}{2}$ $= \frac{1}{4}$ Answer

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Write $=$ or $\neq$ in the place holder.
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Consider two events A and B such that $P (A) = \frac{1}{4}$ , $P (\frac{B}{A}) = \frac{1}{2}$ , $P (\frac{A}{B}) = \frac{1}{4}$ . For each of the following statements, which is true.