Finding the LCM of Rational Expressions

Find the LCD of these fractions.

• (x+2)(x-1)x

• +2, -1

• (x+1)(x-2)

• (x+2)(x-1)

Find the LCD of these fractions.

• 3x
• 9x
• x
• 18x

Find the LCD of these fractions.

• x²
• 2x
• 2x²
• x

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(x+3)(x-3)
• (x+3)(x-3)
• (x+3)(x²-9)(x-3)
• (x-3)(x²-9)

Find the LCD of these fractions.

• (x+1)(x-5)
• (x+1)(x-3)
• (x-3)(x-5)
• (x+1)(x-5)(x-3)

Find the LCD of these fractions.

• (x+3)
• (x+3)(x+2)
• (x+2)
• x(x+2)(x+3)

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 given rational expressions.

• 18t²
• t
• 3
• 18t³

What is the LCD?

• x²(x+3)(x-2)

• x³(x+3)(x-2)

• x(x+3)(x-2)

• (x+3)(x-2)