Subtracting Fractions

What is the lcd of 3 and 5?

• 3

• 5

• 15

• 9

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

7/8 - 7/12

• 7/24

• 1/4

• 7/12

• 4/24

What is ¹⁵/₁₆ - ¹²/₁₆?

• ¹/₃
• ⁴/₁₆ or ¹/₄
• ³/₁₆
• ²/₁₆ or ¹/₈

3/4  -  1/2

• 1/3
• 1/4
• 2/3
• 1/5

3/10  -  1/5

• 2/11
• 4/5
• 2/3
• 1/10

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

• 3
• 4
• 24
• 12

1/2  -  1/8

• 5/8
• 2/5
• 3/8
• 5/6

What is 9/10 - 3/4?

• 5/7
• 3/20
• 3/8 
• 9/10

• 5 7/12
• 4 7/12
• 5 5/12
• 4 5/12