Adding and Subtracting Fractions Quiz

What is the first step in adding fractions using cross multiplication?

• Multiply the denominators directly

• Cross multiply the denominators

• Cross multiply the numerators

• Add the numerators directly

In the example of adding 4/5 and 2/3, what is the numerator of the result before simplification?

• 10

• 12

• 22

• 15

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

• Divide the numerator by the denominator and use the remainder as the new numerator

• Add the numerator and denominator

• Multiply the numerator by the denominator

• Subtract the denominator from the numerator

What changes when using cross multiplication to subtract fractions instead of adding them?

• The denominators are subtracted instead of multiplied

• The numerators are subtracted instead of added

• The denominators are multiplied differently

• The numerators are added instead of subtracted

What is the result of subtracting 4/5 and 2/3 using cross multiplication?

• 2/15

• 12/15

• 22/15

• 10/15