Add Subtract Mixed Numbers Uncommon Denominators

What is the first step in adding or subtracting fractions?

• Divide the denominators

• Add the numerators

• Multiply the numerators

• Find a common denominator

What is the third step in adding or subtracting fractions?

• Add the numerators

• Multiply the numerators

• Divide the denominators

• Find a common denominator

What is the first step for adding or subtracting fractions?

• Add or subtract the numerators

• Ensure the fractions have the same denominator

• Simplify the resulting fraction

• Find a common denominator

What is the first step to add or subtract fractions with different denominators?

• Multiply the numerators

• Find a common denominator

• Convert the fractions to have the same numerator

• Add or subtract the denominators

What is the sum?

• 
• 
• 
• 

• denominators.

• 4   19/5

• 4 5/10

• 4 19/25

• 4 5/10

• 4 5/10

• 4 19/25

What is the process of finding a common denominator for fractions?

• Find the least common multiple (LCM) of the denominators

• Ensure the fractions have the same denominator

• Add or subtract the numerators

• Divide both the numerator and denominator by their greatest common divisor (GCD)

Kayla has 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

• 5

• 5/9

• 1/9

• 6/9

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

1/4 + 5/8

• 6/8

• 6/12

• 7/8

• 8/8