review addition subtraction fractions

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Reduce if needed.

• 11/10
• 5/6
• 1  1/10
• 3  3/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 1  7/8
• 2  1/8
• 3
• 6   3/8

Tags

CCSS.7.NS.A.1C

Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?

• 6/18 gallons
• 13/18 gallons
• 4/5 gallons
• 1/6 gallons

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

Tags

CCSS.7.NS.A.1C