11/12-4/9
Let's evaluate: 1112 -49
11×3 -4×412×3
ℹ11×3 = 33‖-4×4 = -16‖12×3 = 36
33 -1636
ℹ33 -16 = 17
▶Result:   1736
The approximate value of: 1736 is:
▷ ≈ 0.4722