Adding Fractions with Unlike Denominators

Why is it important to have common denominators when adding fractions?

• To make the numerators the same

• To ensure the fractions are equivalent

• To simplify the fractions

• To be able to add the fractions directly

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

• Add the numerators directly

• Subtract the denominators

• Find a common denominator

• Multiply the fractions

In the example 1/10 + 3/5, what is the equivalent fraction of 3/5 with a denominator of 10?

• 6/10

• 3/10

• 9/10

• 5/10

What is the result of adding 1/10 and 6/10?

• 6/10

• 5/10

• 8/10

• 7/10

In the example 1/2 + 1/4, what is the equivalent fraction of 1/2 with a denominator of 4?

• 4/4

• 3/4

• 1/4

• 2/4

What is the result of adding 2/4 and 1/4?

• 4/4

• 2/4

• 3/4

• 1/4

In the example 1/3 + 1/6, what is the equivalent fraction of 1/3 with a denominator of 6?

• 4/6

• 3/6

• 2/6

• 1/6

What is the result of adding 2/6 and 1/6?

• 2/6

• 3/6

• 1/6

• 4/6

What is the simplified form of 4/12?

• 1/4

• 1/3

• 1/2

• 2/3

What is the result of adding 3/10 and 3/100?

• 39/100

• 36/100

• 33/100

• 30/100