Understanding Addition of Unlike Fractions

What is the first step in adding fractions with different denominators?

• Find a common denominator

• Convert them to decimals

• Add the numerators directly

• Multiply the fractions

How do you find a common denominator for 1/2 and 2/3?

• Subtract the smaller denominator from the larger one

• Multiply the denominators

• List multiples of each denominator

• Add the denominators

Once you have a common denominator, what is the next step in adding fractions?

• Divide the numerators

• Subtract the numerators

• Add the numerators and keep the denominator

• Multiply the numerators

What is the result of adding 3/6 and 4/6?

• 1/6

• 7/6

• 6/6

• 5/6

What is a benefit of using a scientific calculator for adding fractions?

• It eliminates the need for simplification

• It multiplies the fractions automatically

• It converts fractions to decimals

• It finds the common denominator for you