Solve: $\frac{7}{9} - \frac{3}{4}$ .

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Solution

We have, $\frac{7}{9} - \frac{3}{4}$ .
To solve the given equation we need to find L.C.M of denominators.
L.C.M of $9$ and $4 = 2 \times 2 \times 3 \times 3 = 36$ .
$\begin{array}{rcl} \frac{7}{9} - \frac{3}{4} & = & \frac{7 \times 4}{9 \times 4} - \frac{3 \times 9}{4 \times 9} \\ = & \frac{28}{36} - \frac{27}{36} \\ = & \frac{1}{36} \end{array}$
Hence, the final answer is $\frac{1}{36}$ .

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Write $=$ or $\neq$ in the place holder.
$\frac{1}{8}$ $□$ $\frac{3}{4}$

$We have \frac{10}{4} pounds of sugar. If we use$
$\frac{7}{4} pounds of sugar, what amount of sugar will be$
$left?$

Find the product : $1 \frac{1}{2}$ $\times$ $\frac{5}{6}$ $\times$ $\frac{8}{15}$ $\times$ $\frac{3}{4}$

(+ 9) - (+ 4)

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