Answer:
basic ratio is 3:7
Step-by-step explanation:
Given the ratio is 24: 56
To find basic ratio we need to simplify the given ratio
Ratio can be written as fraction from

To simplify the fraction we divide top and bottom by a common factor
Divide top and bottom by 2, the fraction becomes

Again divide both top and bottom by 2

Both 6 and 14 are divisible by 2

So basic ratio is 3:7