Question

plz help plz plz plz ​

Answer 1

Step-by-step explanation:

1 hour=60 minutes

45 minutes out of an hour can be written as: 45/60

Fraction=45/60

=(3×15)/(3×20)

=3/3—{Cancelling out common factors of numerator and denominator}

Therfore, 45 minutes is 3/3 = 1 of an hour.

Answer: 45 minutes is 1 of an hour.

Answer 2

Answer:

Step-by-step explanation:

k) 1 hour = 60 minutes

So, fraction is :

45/60 = 3/4

l). 72+237+84+72+(-184)+(-37)

= 144+100 = 244