2/5(-3/7)-1/63/2+1/14*2/5

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Solution

2/5 * (-3/7). -1/6 * 3/2 + 1/14 * 2/5
=(-6/35) - 1/4 + 1/35
L.C.M. of 35 & 4 is 140
this implies that
-24-35+4. / 140
=-55/140
=-11/28

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Similar questions

Using appropriate property of rational numbers, simplify the following.

$\frac{2}{5} \times (\frac{- 3}{7}) - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5}$

\frac{2}{5} \times (- \frac{3}{7}) - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5}

Using appropriate properties, find:

i) $- \frac{2}{3} \times \frac{3}{5} + \frac{5}{2} - \frac{3}{5} \times \frac{1}{6}$

\frac{2}{5} \times (\begin{matrix} - \frac{3}{7} \end{matrix}) - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5}

Using appropriate properties find:

(i) $- \frac{2}{3} \times \frac{3}{5} + \frac{5}{2} - \frac{3}{5} \times \frac{1}{6}$

(ii) $\frac{2}{5} \times [- \frac{3}{7}] - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5}$

\frac{2}{5} \times \frac{- 3}{7} - \frac{1}{6} \times \frac{3}{2} + \frac{1}{14} \times \frac{2}{5}

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