Subtracting Fractions Quiz

What is the least common denominator (LCD) of 7/9 and 2/3?

• 12

• 9

• 6

• 3

After finding the LCD for 7/9 and 2/3, what is the result of the subtraction?

• 1/9

• 1/3

• 1/6

• 2/9

What is the least common denominator (LCD) of 5/6 and 7/12?

• 18

• 12

• 24

• 6

What is the simplified result of subtracting 5/6 from 7/12?

• 1/4

• 1/6

• 1/3

• 1/2

What is the first step in solving the practice problem 3/5 - 1/3?

• Add the fractions

• Multiply the denominators

• Subtract the numerators

• Find the LCD