Fractions, Decimals and Percentages

Three ways of writing the same thing — and how to switch between them without breaking a sweat.

Adding and Subtracting Fractions

Learn how to add and subtract fractions using common denominators, including mixed numbers, with worked examples from Nova.

Converting Between Fractions, Decimals and Percentages

Learn how to convert between fractions, decimals and percentages in both directions, with clear worked examples from Nova.

Multiplying and Dividing Fractions

Learn how to multiply and divide fractions, including the keep-change-flip method for division, with worked examples from Nova.