Multiplying Fractions

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How do you multiply two fractions together?

Multiply the numerators together and then multiply the denominators together.

What is the result of 1/2 multiplied by 3/4?

3/8

Why do you not need a common denominator to multiply fractions?

Because you multiply straight across the numerators and denominators.

What is 5/6 multiplied by 2/9?

5/27

If you multiply a fraction by 1, what is the result?

The original fraction.

What is 2/3 × 3/5 in simplest form?

2/5

What happens when you multiply a fraction by 0?

The result is 0.

Multiply -2/3 by 1/4, what is the result?

-2/12 or -1/6

What is a reciprocal?

A reciprocal is the inverse of a fraction, switching the numerator and denominator.

Why is finding the reciprocal useful in division?

It allows division of fractions to be converted into multiplication.

How do you multiply mixed numbers?

Convert to improper fractions, multiply, and simplify if possible.

If you multiply 3/4 by 4/3, what result do you get?

1

Multiplying a fraction and a whole number: 5 × 1/2. What's the answer?

5/2 or 2 1/2

Multiply 7/8 by 4/7. What do you obtain?

1/2

Does the order matter when multiplying fractions?

No, it does not matter.


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1. How do you multiply two fractions together?

Multiply the numerators together and then multiply the denominators together.

Add numerators, multiply denominators.

Subtract numerators, divide denominators.

Multiply numerators and subtract denominators.

2. What is the result of 1/2 multiplied by 3/4?

2/6

1/6

3/8

1/8

3. Why do you not need a common denominator to multiply fractions?

Because adding fractions doesn't require it.

Because you multiply straight across the numerators and denominators.

Because subtraction doesn't require it.

Because it cancels out.

4. What is 5/6 multiplied by 2/9?

10/54

10/36

5/27

1/3

5. What happens when you multiply a fraction by 0?

The result is 0.

The fraction doubles.

The fraction stays the same.

The result is 1.

6. What is 2/3 × 3/5 in simplest form?

1/5

2/5

3/5

6/15

7. Multiply -2/3 by 1/4, what is the result?

-2/12 or -1/6

-1/12 or -3/6

2/12 or 1/6

1/12

8. What is a reciprocal?

A reciprocal is the inverse of a fraction, switching the numerator and denominator.

A reciprocal is the square of a fraction.

A reciprocal is the half of a fraction.

A reciprocal is the negative of a fraction.

9. How do you multiply mixed numbers?

Multiply direct without changing.

Convert to improper fractions, multiply, and simplify if possible.

Add the whole numbers first.

Invert and multiply.

10. If you multiply 3/4 by 4/3, what result do you get?

9/12

1

3/4

1/2