Question
Find the difference:
$6\frac{2}{3}-3\frac{3}{4}$

Answer

$6\frac{2}{3}-3\frac{3}{4}$
$=\frac{20}{3}-\frac{15}{4}$
L.C.M of 3 and 4 = (2 × 2 × 3) = 12
$=\frac{(80-45)}{12}$
$=\frac{35}{12}$
$=2\frac{11}{12}$
$\Big(\frac{12}{3}=4,4\times20=80\Big)$
and $\Big(\frac{12}{4}=3,3\times15=45\Big)$

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