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What approximate value should come in place of the question mark (?) in the following question? \(14\frac{6}{7}+15\frac{2}{7} - 5\frac{2}{3}\times3\frac{1}{2}=?\)

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What approximate value should come in place of the question mark (?) in the following question?

\(14\frac{6}{7}+15\frac{2}{7} - 5\frac{2}{3}\times3\frac{1}{2}=?\)


1). \(12\frac{{23}}{{42}}\)
2). \(11\frac{{11}}{{42}}\)
3). \(10\frac{{13}}{{42}}\)
4). \(12\frac{{14}}{{42}}\)


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Answered by on | Votes 2 |

Now, $(14\frac{6}{7}+15\frac{2}{7} - 5\frac{2}{3}\times3\frac{1}{2}=?)$

$(\begin{array}{l} = \frac{{104}}{7} + \frac{{107}}{7} - \frac{{17}}{3} \times \frac{7}{2}\\ = \frac{{211}}{7} - \frac{{119}}{6} \end{array})$

$(\begin{array}{l} = \frac{{1266\;-\;833}}{{42}}\\ = \frac{{433}}{{42}}\\ =\;?=10\frac{{13}}{{42}} \end{array})$

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