Question

Please answer all these questions quickly.

Answer 1

1). 1/2and 1/3
1/2×3/3=3/6
1/3×2/2=2/6
and 3/6×3/3=9/18
2/6×3/3=6/18
so two rational no between 1/2and 1/3
7/18,8/18
ans2) 2/5 and 3/4
2/5×4/4=8/20
3/4×5/5=15/20
so two rational number between 2/5 and 3/4
9/20,10/20
3). 7/9 and 7/8
7/9×8/8=56/72
7/8×9/9=63/72
so two rational number between 7/9 and 7/8
57/72,58/72