Simplify ratio-20:30

Simplify ratios and solve proportions — step by step.

Ratio

Answer

-2:3

To simplify the ratio -20 : 30, follow the step-by-step solution below.

Step 1 — Find the greatest common divisor (GCD)

Find the largest number that divides both 20 and 30 evenly:

GCD(20, 30) = 10

Step 2 — Divide both parts by the GCD

Divide each part of the ratio by 10:

-20 ÷ 10 = -2

30 ÷ 10 = 3

-20 : 30 = -2 : 3

Simplify ratio-20:30 by dividing both parts by their greatest common factor.

This is a Ratio — ratio simplification

What is the answer to ratio-20:30?
The answer is -2:3.

What method is used?
To simplify a ratio, divide both numbers by their GCD (greatest common divisor). The result is the ratio in lowest terms.