First the units of the two quantities should have the same category, e.g length units, or mass units, etc.
Second: to convert the unit of one quantity to the same unit of the another quantity.
third: to perform the comparison.
The difference (subtraction) or quotient (division).
It is a ratio, for example, kilometres per [100] litres, or miles per gallon
If you want to compare two quantities, and the units are different, you need to convert to the first unit first - then you can compare them easily.
Miles
Conversion.
A comparison by division of two quantities with the same units of measure.
Rdf
ratios
What is called a statement of comparing of two or more different quantities
Rate of change :)
It is rate of change.
A ratio is a comparison of two quantities
what is it
A rate.
A rate.
Its an inequality
A rate is a fraction that compares two quantities measured in different units. If the denominator of the fraction is 1 unit, the rate is called a unit rate.
Rate
an unknown quantity represented by a letter