To simplify the given ratios:
4:12 can be simplified by dividing both numbers by their greatest common divisor, which is 4.
4:12 simplifies to 1:3.
14:84 can be simplified by dividing both numbers by their greatest common divisor, which is 14.
14:84 simplifies to 1:6.
320:480 can be simplified by dividing both numbers by their greatest common divisor, which is 160.
320:480 simplifies to 2:3.
20:32 can be simplified by dividing both numbers by their greatest common divisor, which is 4.
20:32 simplifies to 5:8.
27:81 can be simplified by dividing both numbers by their greatest common divisor, which is 27.
27:81 simplifies to 1:3.
