Exploring Fraction Word Problems

The video tutorial covers solving word problems involving fractions, including addition, subtraction, multiplication, and division. It reviews the processes for each operation and provides examples such as a recipe, a shelf, and a material problem. The tutorial emphasizes the importance of using common denominators and converting between mixed numbers and improper fractions.

When adding or subtracting fractions, what must be true about the denominators?

• They must be different.

• They must be prime numbers.

• They must be the same.

• One must be a multiple of the other.

What is the first step when multiplying fractions?

• Subtract the denominators.

• Find a common denominator.

• Cross reduce if possible.

• Add the numerators.

What is the reciprocal of 3/4?

• 1/4

• 1/3

• 3/4

• 4/3

To find half of 2 and 3/4 cups of flour, which operation can you use?

• Both B and C

• Multiply by 1/2

• Divide by 2

• Multiply by 2

What is the improper fraction form of 2 and 3/4?

• 7/4

• 11/4

• 9/4

• 8/3

How many books, each 1 and 7/8 inches thick, can fit on a 45-inch shelf?

• 22

• 23

• 24

• 25

What is the first step in solving a division problem involving fractions?

• Find a common denominator.

• Multiply by the reciprocal.

• Add the fractions.

• Subtract the fractions.

Graham had 7 and 2/5 yards of material and cut 4 and 1/2 yards. How much material is left?

• 2 and 1/10 yards

• 3 yards

• 2 and 2/5 yards

• 2 and 9/10 yards

What is the least common multiple of 5 and 2?

• 5

• 10

• 15

• 20

When subtracting fractions, what must you do if the denominators are different?

• Subtract the numerators directly.

• Multiply the denominators.

• Find a common denominator.

• Add the denominators.