Least Common Denominator

What do you call the smallest number/denominator that can be used for all denominator of 2 or more fractions?

Find the LCD of these fractions.

• (x+2)(x-2)

• (x+2)

• (x-2)

• (x²-4)(x+2)

Find the LCD of these fractions.

• (x+2)(x-2)

• (x+2)(x+1)

• (x+2)(x-2)(x+1)

• (x-2)(x+1)

Find the least common denominator of the expression

• 18

• 6x

• 3xy

• 6xy

Find the LCD of the following rational expressions

• (x+1)(x-1)

• (x+1)² (x-1)

• (2x+2)

• (x+1)(x-1)

• (x+1)² (x-1)

• (2x+2)

• (x+1)(x-1)

• (x+1)² (x-1)

• (2x+2)

• (x+1)(x²-1)

• 12

• 6

• 24

• 4

Find the LCD of the following rational numbers and \(\frac{2}{5}\) and \(\frac{3}{10}\)

• 10

• 5

• 15

• 20

• (x+8)(x-3)

• 8x(x+2)

• (x²+3x+24)