Question

If gear A has 400 teeth and drives another gear B with 1200 teeth. Determine gear ratio.

Answer 1

B

Explanation:

Gear A has 400 teeth.

Gear B has 1200 teeth.

Write as a ratio of gear A to gear B.

400:1200

Simplify the ratio.

4:12

1:3

Answer 2

Divide the two numbers to find the ratio:

400 / 1200 = 1/3

The ratio is 1:3