Question
Find the difference: $7-5\frac{2}{3}$
✓
Answer
$3\frac{5}{8}-2\frac{5}{12}$
$=\frac{7}{1}-\frac{17}{3}$
$L.C.M$ of $1$ and $3 = 3$ $=\frac{(21-17)}{3}$
$=\frac{4}{3}$
$=1\frac{1}{3}$
$\Big(\frac{3}{1}=3,3\times7=21\Big)$ and $\Big(\frac{3}{3}=1,1\times17=17\Big)$
$=\frac{7}{1}-\frac{17}{3}$
$L.C.M$ of $1$ and $3 = 3$ $=\frac{(21-17)}{3}$
$=\frac{4}{3}$
$=1\frac{1}{3}$
$\Big(\frac{3}{1}=3,3\times7=21\Big)$ and $\Big(\frac{3}{3}=1,1\times17=17\Big)$
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