Simplify: [(-6)/7(-21)/18] + [(-22)/1365/44]

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Solution

$[(\frac{- 6}{7}) (\frac{- 21}{18})] + [(\frac{- 22}{13}) (\frac{65}{44})] = [(\frac{- 1}{1}) (\frac{- 3}{3})] + [(\frac{- 1}{1}) (\frac{5}{2})] = 1 - (\frac{5}{2}) = \frac{2 - 5}{2} = - \frac{3}{2} \Rightarrow [(\frac{- 6}{7}) (\frac{- 21}{18})] + [(\frac{- 22}{13}) (\frac{65}{44})] = - \frac{3}{2}$

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Similar questions

Simplify: 3/7+(−6/11)+(−8/21)+5/22

5 \frac{1}{3}

\times 2 \frac{1}{2}

\times 1 \frac{2}{3}

\times 6 \frac{5}{7}

\frac{4}{7} - \frac{8}{9} - \frac{13}{7} + \frac{17}{21}

3 \frac{4}{7} \times 2 \frac{2}{5} \times 1 \frac{3}{4}

$x$	$15$	$16$	$17$	$18$	$19$	$20$	$21$	$22$	$23$
$f$	$6$	$7$	$9$	$13$	$10$	$12$	$8$	$0$	$4$

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