Question
Subtract: $\frac{3}{4}\text{ from }\frac{1}{3}$
✓
Answer
$\frac{3}{4}\text{ from }\frac{1}{3}$ $Lcm$ of $4$ and $3 = 12$
$\therefore\frac{3}{4}=\frac{3\times3}{4\times3}=\frac{9}{12}$
$\frac{1}{3}=\frac{1\times4}{3\times4}=\frac{4}{12}$
$\therefore\frac{1}{3}-\frac{3}{4}=\frac{4}{12}-\frac{9}{12}$
$=\frac{4-9}{12}=\frac{-5}{12}$
$\therefore\frac{3}{4}=\frac{3\times3}{4\times3}=\frac{9}{12}$
$\frac{1}{3}=\frac{1\times4}{3\times4}=\frac{4}{12}$
$\therefore\frac{1}{3}-\frac{3}{4}=\frac{4}{12}-\frac{9}{12}$
$=\frac{4-9}{12}=\frac{-5}{12}$
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