Mathematics: The sum of two rational numbers will always be

Apply the fraction rule : Apply rule - ( - a) = aConvert element to fraction :Find the LCD 1*3 = 3Apply the fraction rule : hope this helps!...

The sum of two rational numbers will always be

Ответ:

sabrinaarriagaowe3gt

05.01.2022

Mathematics

Adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. The product of two rational numbers is always rational.

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Ответ:

aliviafeidlerAlivia

02.09.2021

Mathematics

$-9x- \frac{2x}{-3}$

$-9*(7) - \frac{2*7}{-3}$

9*7 = 63

$\frac{2*7}{-3} = \frac{14}{-3}$

Apply the fraction rule : $\frac{a}{-b} = - \frac{a}{b}$

$= - \frac{14}{3}$

$-63-( -\frac{14}{3} )$

Apply rule - ( - a) = a

$-63+ \frac{14}{3}$

Convert element to fraction :

$63 = \frac{63}{1}$

$-\frac{63}{1} + \frac{14}{3}$

Find the LCD 1*3 = 3

$- \frac{63*3}{3}+ \frac{14}{3}$

$\frac{-3+63+14}{3} = \frac{-175}{3}$

Apply the fraction rule : $\frac{a}{-b} = - \frac{a}{b}$

$= - \frac{175}{3}$

hope this helps!

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