Question

Simplyify the following -7/9+2/7​

Answer 1

Answer:

see my attachment

hope it helps you ....

Answer 2

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$\dfrac{-7}{9}+\dfrac{2}{7}$

to add fractions , find the lcd(least common denominator)and then combine .....

lcm of denominators is = $63$

so,

$\dfrac{-7×7+2×9}{63}$

$=\dfrac{-31}{63}$