Ratios, Rates and Percents!

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour).

A percent is a ratio expressed as a fraction of 100, indicating how many parts out of 100.

To convert a percent to a fraction, divide the percent by 100 and simplify if possible.

67% as a fraction is 67/100.

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

The simplified form of 44/60 is 11/15.

To find 90% of a number, multiply the number by 0.90.

90% of 250 is 225.

To convert a fraction to a decimal, divide the numerator by the denominator.