Understanding Fractions with Unlike Denominators

Why is it challenging to add fractions like one-ninth and two-thirds directly?

• Because they have different denominators.

• Because they have different numerators.

• Because they are mixed numbers.

• Because they are improper fractions.

What is the equivalent fraction of two-thirds when the denominator is changed to nine?

• 4/9

• 7/9

• 5/9

• 6/9

What do we call fractions that have the same denominator?

• Equivalent fractions

• Improper fractions

• Mixed numbers

• Common denominators

When adding fractions with common denominators, what do you do with the numerators?

• Divide them

• Multiply them

• Subtract them

• Add them

What is the final result when adding one-ninth and six-ninths?

• 8/9

• 6/9

• 5/9

• 7/9