Question

Add the following rational number 5/-12 and 7/-9

Answer 1

Answer:

-43/36

Step-by-step explanation:

-5/12+(-7/9)

-5/12-7/9

their LCM would be 36

-15-28/36

-43/36

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Answer 2

Answer:

$\frac{5}{-12}+\frac{7}{-9}$

=$-\frac{5}{12}+\frac{7}{-9}$

=$-\frac{5}{12}-\frac{7}{9}$

=$-\frac{15}{36}-\frac{28}{36}$

=$LCM= \ 36$

=$\frac{-15-28}{36}$

=$\frac{-43}{36}$

=$-\frac{43}{36}$