Add Subtract Mixed Numbers Butterfly Method

4  1/2  + - 2  1/3 =

• 2  1/6

• 2 1/3

• -2 1/6

• 2  5/6

• 1  7/8
• 2  1/8
• 3
• 6   3/8

Marie needs 2 ¹/₄ yards of fabric/ She already has 1 ³/₈ yards. How many more yards of fabric does she need?

• ¹/₈ yard

• ³/₄ yard

• ⁷/₈ yard

• 1 ⁷/₈ yards

What must you have to add and subtract fractions?

• Common numerators

• Different numerators

• Different denominators

• Common denominators

• 7 and 1/6 hours
• 6 and 2/3 hours
• 6 and 1/6 hours
• 7 and 2/3 hours

Marie needs 2 ¹/₄ yards of fabric/ She already has 1 ³/₈ yards. How many more yards of fabric does she need? (SUBTRACT)

• ¹/₈ yard

• ³/₄ yard

• ⁷/₈ yard

• 1 ⁷/₈ yards

• 12/17
• 17/20
• 20/17
• 2  1/2

• 2  2/3
• 7  1/2
• 7
• 6