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## What is the meaning of ratio?

Ratio in mathematics means that it is a relationship between any 2 numbers which in turn points towards the number of times the 1^{st} number has the 2^{nd}. In addition to this a ratio is generally written in the following manner – ‘a’ to ‘b’ or the ‘a: b’. What makes this ratio different is the fact that the numbers which are compared in a ratio happen to be of different quantities which are of comparable kind like that of the persons / objects / spoonful’s / lengths.

## Ratio Calculator

**Other aspects of ratios**

Apart from the above stated facts, when 2 quantities tend to have same units their ratio is known as a dimensionless number. On the other hand, ‘rate’ turns out to be a quotient of the variables with different units. In terms of expressing a ratio, it is either separated by a colon that is [:] or by the division symbol.

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## Ratio formula

**The formula for ratio when 2 variables such as ‘a’ & ‘b’ are given is as follows –**

\( a\quad :\quad b \Rightarrow\frac{a}{b}\)

\( E.g. \quad 1) \quad\quad\quad\quad \frac{1}{4}\quad \times A=\frac{3}{5}\times \quad B \Rightarrow\frac{A}{B}=\frac{3}{5} \times \frac{4}{1}\Rightarrow\frac{12}{5}\Rightarrow12 \quad : \quad 5\)

\( 2) \quad a\quad : \quad b\quad =15\quad :\quad 25\Rightarrow3\quad :\quad 5\)

## How to use a ratio calculator?

This ratio calculator which is a free online tool is essentially used to simplify the calculations related to a ratio calculator. All you would be required to do is follow the instructions specified below & get to know the result. In the 1^{st} as well as the 2^{nd} field, enter the values & this should be followed by clicking on the tab that reads calculate to get the result. However, if you wish to change the values then you can do so with the help of the reset tab. This way you can use a ratio calculator.