# Fraction flowchart

Use this flow chart to explain how to add, subtract, multiply or divide with mixed numbers and fractions.

Can the fractions be simplified?

• Simplify the fractions where possible

Does the sum contain mixed numbers?

Are you adding/subtracting or multiplying/dividing the mixed numbers?

Are you adding/subtracting or multiplying/dividing the fractions?

• Add or subtract the whole numbers first.
• Convert the remaining fractions to a common denominator.
• Add or subtract the numerators
• Simplify by borrowing from or adding to the whole number if required
• Convert the fraction to improper (top heavy) fractions
• Convert the fractions to a common denominator.
• Add or subtract the numerators (top number)
• Leave the denominator as it is!

Are you multiplying or dividing the fractions?

• Convert the fractions to a common denominator.
• Add or subtract the numerators (top number)
• Leave the denominator as it is!
• Multiply the numerators (top numbers) together
• Multiply the denominators (bottom numbers) together
• Flip the second fraction over.

Click the image below for an enlarged version of the fraction flowchart. 