Adding and Subtracting Mixed Numbers Same Denominators

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

What is the process of making two fractions with unlike denominators able to be added or subtracted called?

• Finding the least common multiple or least common denominator

• Addition

• Multiplication

• Reverse multiplication

What is the first step of adding or subtracting two fractions?

• Checking if the numerators are the same

• Checking if the denominators are the same or different

• Checking that the fractions are equal

• Adding or subtracting

• 1    5/12
• 3     11/24
• 3    11/12
• 3    1/2

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

1 11/12 + 2 5/12

• 4 1/3

• 3 4/12

• 4 16/12