Course 3 Week 4

What is ¹/₈ + ⁵/₈?

• 1
• ⁶/₁₆ or ³/₈
• ⁶/₈ or ³/₄
• ²/₄ or ¹/₂

What is ⁹/₁₆ - ⁵/_16?

• ¹/₂
• ⁴/₁₆ or ¹/₄
• ⁵/₆
• ⁵/₈

Before you add or subtract fractions what must be the same?

• Numerator

• Denominator

• Just add

• Just subtract

What is the sum of these fractions?

• 4/5
• 3/20
• 17/20
• 4/20

What is ³/₄ + ¹/₄?

• 1 or ⁴/₄
• ³/₄ 
• ¹⁰/₁₆ or ⁵/₈ 
• ¹/₄

• 1/12
• 1
• 2/35
• 23/25

• 5

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

1/3 - 1/4 =

Addition:
Find Lowest Common Denominator & solve
1     5/7  +   14    1/2

• 15  1/14
• 15  6/21
• 15  17/21
• 15  17/14