2/21 × -3/13 +-7/9 - 2/21 × 10/13

Mathematics

2 answers:

grin007 [14]3 years ago

7 0

Answer:

$\frac{-55}{63}$ is the answer for the question.

Step-by-step explanation:

All you have to do is just simplify the expression And you'll get your answer as $\frac{-55}{63}$

Hope this helped you !

Viefleur [7K]3 years ago

5 0

Answer:

$\frac{-55}{63}$

Step-by-step explanation:

$=\frac{2}{21}(\frac{-3}{13})-\frac{7}{9}-\frac{2}{21}(\frac{10}{13})$

$=\frac{-2}{91}-\frac{7}{9}-\frac{2}{21}(\frac{10}{13})$

$=\frac{-2}{91} +\frac{7}{9} -\frac{2}{21} (\frac{10}{13})$

$=\frac{-655}{819}-\frac{2}{21} (\frac{10}{13} )$

$=\frac{-655}{819}-\frac{20}{273}$

$=\frac{-55}{63}$

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