Rational Number Operations and Proportional Relationships

Write an equation for the relationship between x and y. Use format y = kx.

(a)  

Select all graphs that represent proportional relationships.

• 
• 

73.15 ÷ 0.05

• 1,463

• 146.3

• 14.63

• 1.463

Jada ate 3/8 of a pizza and Isaiah ate 1/4 of the pizza. How much pizza did they eat in all?

• 1/2

• 5/8

• 3/4

• 7/8

What is 9/10 - 3/4?

• 5/7

• 3/20

• 3/8 

• 9/10

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3

• 4

• 24

• 12

What is the least common denominator of 1/2 and 3/7?

• 2

• 14

• 7

• 28

Convert into an improper fraction.

• 28/7

• 29/4

• 29/7

• 7/1

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄

• 2 ³/₄

• 2 ¹/₂

• 2 ¹/₄

Solve:
½ + ⅖

• 9/10

• 1/2

• 5/10

• 4/10