A ratio is a mathematical expression written in the form of a:b, where a and b are any integers. It expresses a fraction. The ratio is used to compare the size of two things with the same unit
In a vegetable basket there are 10 potatoes and 5 onions then the ratio of potato to onion can be expressed as
Potato:Onion= 10_5= 2:1
The 1:1 ratio can be defined as when two quantities are measured , expressed or taken in equal proportions.
In a fruit basked if there are 7 apples and 7 oranges the we can say that apple and orange are in the same ratio. That is 1:1