10-4 Classwork

Find the least common denominator of the expression

• 18
• 6x
• 3xy
• 6xy

Simplify the expression

• 6x / 20xy
• 3 / 10y
• (6x+1) / (20xy)
• 3 / 20xy

Simplify the expression

• n / 2m 
• n / 3m 
• (m² + 4n²) / 12m
• n / 4m 

Simplify the expression

• (2a + 4b) / 12b²
• (2a - 4b) / 12b² 
• (a - b) / 6b²
• (a + 2b) / 6b² 

Simplify the expression

• (5x + 4y) / 9y
• (6y + 3x) / 3y
• (2y + x) / y
• (6y + 3x) / 9y 

Simplify the expression

• (-17x - 12y) / 15x

• (23x - 4y) / 15x

• (-17x - 4y) / 15x

• (-3x - 4y) / 8x

Simplify the expression

• (30ab³ + 8a) / 10b³
• (15ab³ + 4a) / 5b³
• 10a / 7b³
• (10a) / (5b³  + 2)

Simplify the expression

• (4 - 2ab² + 3b³) / 4b²
• (4a - 2a²b² + 3ab³) / 4ab²
• (4 - 2ab² - 3b³) / 4b²
• (4a - 2a²b² - 3ab³) / 4ab²

Simplify the expression

• (19k² -12k - 12) / 4k(5k-4)
• (19k² - 24k) / 4k(5k-4)
• (19k) /  4(5k-4)
• (19k - 24) / 4(5k-4)

Simplify the expression

• (12n² + 28n + 4) / (2n-5)(n+2)
• (12n² - 28n + 4) / (2n-5)(n+2)
• (8n) / (3n + 3)
• (12n² + 2n -3) / (2n-5)(n+2)