Exploring Adding and Subtracting Rational Expressions

What is the first step in multiplying fractions?

• Multiply the numerators

• Convert to improper fractions

• Cross-simplify if possible

• Simplify the fractions

How do you simplify before multiplying fractions?

• No simplification is needed

• Both vertically and diagonally

• Only vertically

• Only diagonally

How do you handle mixed numbers when multiplying fractions?

• Leave them as is

• Convert to improper fractions

• Only use the whole number part

• Only use the fractional part

How do you handle a negative fraction in multiplication?

• Ignore the negative sign

• Place the negative sign with the denominator

• Place the negative sign with the numerator

• Convert the fraction to a positive

What is true about the negative sign in fraction multiplication?

• It turns the fraction into a decimal

• It should be placed with the numerator or denominator, not both

• It applies to both numerator and denominator

• It cancels out

What is the result of multiplying a negative fraction by a positive fraction?

• Always a positive fraction

• Always a negative fraction

• A whole number

• Cannot be determined

What is the process of converting division of fractions to multiplication?

• Flip the first fraction

• Flip both fractions

• Flip the second fraction to its reciprocal

• Multiply without flipping

In dividing fractions, what do you do after flipping the second fraction?

• Add the fractions

• Divide the fractions

• Multiply the fractions

• Subtract the fractions

When dividing fractions, if the first fraction is a mixed number, you should:

• Convert it to a decimal

• Convert it to an improper fraction

• Use only the fractional part

• Use only the whole number part

To find the height of a building that is a fraction of another known height, you should:

• Add the fractions

• Divide the known height by the fraction

• Subtract the fractions

• Multiply the known height by the fraction