🔵 CW202 - Ratio and Proportion

A ratio is a comparison of two quantities by division, expressed as 'a to b' or a:b.

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be expressed as a fraction that simplifies to the same value.

1 : 2

No

2 : 3

5 : 10

The GCD is the largest number that divides two or more numbers without leaving a remainder.

You can find equivalent ratios by multiplying or dividing both terms of the ratio by the same non-zero number.

Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.