Question

Express in rational form

3/7+(-2/9)+7/9

Pls urgent

Answer 1

Answer:

62/63

Step-by-step explanation:

3/7+(-2/9)+7/9=3/7+5/9=(3*9+5*7)/63=62/63

Answer 2

___________________________

Answer:

$\dashrightarrow\dfrac{3}{7} + \bigg(\dfrac{-2}{9}\bigg) + \dfrac{7}{9} \\ \\ \dashrightarrow \dfrac{3}{7} + \dfrac{5}{9} \\ \\ \dashrightarrow\bigg( \dfrac{3 \times 9 + 5 \times 7}{63}\bigg) \\ \\ \dashrightarrow\dfrac{62}{63}$