Percents, Decimals and Fractions

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 25% means 25 out of 100.

To convert a decimal to a percent, multiply the decimal by 100 and add the percent symbol. For example, 0.75 becomes 75%.

To convert a percent to a decimal, divide the percent by 100. For example, 45% becomes 0.45.

A fraction represents a part of a whole and is written as $$\frac{a}{b}$$ , where 'a' is the numerator and 'b' is the denominator.

To convert a fraction to a decimal, divide the numerator by the denominator. For example, $$\frac{1}{4}$$ equals 0.25.

To convert a decimal to a fraction, write the decimal over 1, multiply the numerator and denominator by 10 for each digit after the decimal point, and simplify. For example, 0.5 becomes $$\frac{5}{10}$$ , which simplifies to $$\frac{1}{2}$$ .

Percents, decimals, and fractions are different ways to represent the same value. For example, 50% = 0.5 = $$\frac{1}{2}$$ .

0.33 as a fraction is $$\frac{33}{100}$$ .

Johnny receives a grade of 94%.

James got $40 for his birthday.