Question

⋆ ˚｡⋆୨୧˚using Commutativity and associativity of addition of rational number,express each of the following as a rational no✿　˚୨୧⋆｡˚ ⋆

1 )
$\frac{2}{5?} + \frac{7}{?3} + \frac{ - 4}{?5} + \frac{ - 1}{?3}$
2 )
$\frac{4}{?7} + 0 + \frac{? - 8}{9?} + \frac{13}{7?} + \frac{17}{21?}$
3 )
$\frac{?1}{?8} + \frac{5}{?2} + \frac{2}{7?} + \frac{?7}{12?} + \frac{9}{7?} + \frac{? - 5}{16?}$
​

Answer 1

it's so easy just for 20 coins or more

mark as brainliest

Answer 2

Step-by-step explanation:

hii

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