Adding Rationals

Tags

CCSS.7.NS.A.1C

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/5 + 3/10

• 9/12

• 9/10

• 3/5

• 6/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• (m-2)/(3m²)
• (m+2)/(3m²)
• (2m+2)/(3m²)
• (m-2)/(6m²)

• 2
• 2/(5r)
• (2+5r)/(5r)
• (1+5r)/(5r)

Simplify the expression

• 6x / 20xy

• 3 / 10y

• (6x+1) / (20xy)

• 3 / 20xy

Tags

CCSS.7.NS.A.1C

Simplify the expression

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

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the least common denominator of 1/9 and 2/3?

• 6
• 3
• 9
• 21