Question

Add the following using rearrangement property​

Answer 1

Answer:

$- \frac{22}{63}$

Step-by-step explanation:

$\frac{4}{9} + \frac{ - 8}{9} + \frac{ - 5}{21} + \frac{1}{3} \\ \frac{28 + ( - 56) + ( - 15) + 21}{63} \\ \frac{49 - 56 - 15}{63} \\ \frac{49 - 71}{63} \\ - \frac{22}{63}$