Question

3/7+4/9+4/7+5/9

Answer 1

=2

Answer 2

3/7+4/7=7/7=1

4/9+5/9=9/9=1

1+1=2

Answer 3

\(\dfrac{3}{7}+\dfrac{4}{9}+\dfrac{4}{7}+\dfrac{5}{9}\)

= \(\dfrac{3}{7}+\dfrac{4}{7}+\dfrac{4}{9}+\dfrac{5}{9}\)

= 1 + 1 

= 2

Answer 4

2

Answer 5

3/7 + 4/9 + 4/7 + 5/9 = 2