Operations with Fractions: Adding and Subtracting Rational Expressions

What is the first step in converting a mixed number to an improper fraction?

• Multiply the whole number by the denominator

• Add the whole number to the fraction

• Divide the numerator by the whole number

• Subtract the numerator from the denominator

When adding or subtracting fractions, what must be the same for both fractions?

• Mixed numbers

• Whole numbers

• Denominators

• Numerators

What is the common denominator for the fractions 1/4 and 1/6?

• 4

• 6

• 24

• 12

What is the result of adding 3/8 and 1/4?

• 1/2

• 4/12

• 5/8

• 7/8

What is the first step in multiplying fractions?

• Find a common denominator

• Subtract the denominators

• Multiply the numerators

• Add the numerators

What is the result of multiplying 2/3 by 3/4?

• 6/12

• 1/2

• 1/2

• 1/4

What is the first step in dividing fractions?

• Add the denominators

• Keep the first fraction, change the division to multiplication, and flip the second fraction

• Find a common denominator

• Multiply the numerators

What is the result of dividing 3/5 by 2/3?

• 3/2

• 6/5

• 5/6

• 9/10

What is the result of adding 17/8 and 5/6?

• Both A and C

• 2 and 23/24

• 66/24

• 71/24

What is the result of dividing -3/2 by 4/9?

• -27/8

• -9/2

• -3/8

• -8/27