Yr 10 fractions

Which operations with fractions REQUIRE common denominators.

• Addition

• Subtraction

• Multiplication

 $\frac{4}{5}\times\frac{5}{4}=$  

Select all operations with fractions that require a common denominator.

• addition

• division

• multiplication

• subtraction

• 1/3
• 3
• 3/9
• 3/18

What is the sum of these fractions in lowest terms?

• 4/5
• 3/20
• 17/20
• 4/20

What is the quotient of these fractions in lowest terms?

• 6/40
• 6/10
• 3/5
• 12/20

• A
• B
• C
• D

• 10/3
• 2  2/3
• 2/15
• 15/2

What is the quotient of these fractions in lowest terms?

• 8/5
• 8/20
• 16/10
• 2/5