Mastering Operations with Fractions

What is a fraction in mathematical terms?

• A type of equation

• A division problem

• A multiplication problem

• A subtraction problem

To add or subtract fractions, what must they have?

• No common factors

• A common numerator

• Different denominators

• A common denominator

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

• Subtract the numerators

• Multiply the numerators

• Find a common denominator

• Add the denominators

What is the result of multiplying the fractions 2/3 and 1/4 using cross-cancelling?

• 1/6

• 2/12

• 1/2

• 1/3

What is the product of 2/3 and 4/5?

• 8/20

• 8/10

• 8/15

• 6/15

What does cross-cancelling involve?

• Adding numerators

• Reducing fractions before multiplying

• Subtracting numerators

• Multiplying denominators

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

• 8/3

• 3/8

• 8/12

• 6/4

How do you convert a mixed number to an improper fraction?

• Add the numerator to the denominator

• Divide the whole number by the denominator

• Multiply the whole number by the denominator and add the numerator

• Multiply the whole number by the numerator

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

• 9/3

• 8/3

• 12/3

• 11/3

Why are mixed numbers not preferred in algebra?

• They are easier to understand

• They represent whole numbers only

• They can't be reduced

• They are harder to calculate with