Question

(15/11+21/34)+9/34 siplyfy the following

Answer 1

Answer:

420/187

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Step-by-step explanation:

$(\frac{15}{11} + \frac{21}{34}) + \frac{9}{34}$ is equal to $\frac{15}{11} + ( \frac{21}{34} + \frac{9}{34} )$ due to the associative law of addition of rational numbers.

so, we can continue solving like so:

= $\frac{15}{11} + \frac{30}{34}$

$= \frac{(15*34)+(30*11)}{(11 *34)}$

$= \frac{(510 + 330)}{374}$

$= \frac{840}{374}$

upon cancelling this number, we get

420/187