Respuesta :

Step-by-step explanation:

1 hour = 60 minutes

40 minutes out of an hour can be written as: 40/60

Fraction = 40/60

= (2 × 30) / (3 × 20)

Canceling out common factors of numerator and denominator, we get 2/3

Therefore, 40 minutes is 2/3 of an hour.

40 minutes is 2/3 of an hour