Adding and Subtracting Mixed Numbers with Common Denominators

What is the result of adding 2 and 1/4 plus 1 and 1/4 using models?

• 3 and 1/4

• 3 and 1/2

• 4

• 2 and 3/4

In the stack method, what is the first step when adding mixed numbers?

• Stack the numbers

• Find the least common denominator

• Simplify the fractions

• Rewrite the fractions

When using the improper fraction method, what is the second step?

• Make them improper

• Find the least common denominator

• Rewrite the fractions

• Solve and simplify

What is the result of adding 1 and 1/6 plus 3 and 4/6 using the stack method?

• 4 and 2/6

• 5

• 4 and 5/6

• 4 and 1/6

What is the result of adding 2 and 3/5 plus 4/5 using the stack method?

• 3 and 1/5

• 3 and 3/5

• 3 and 4/5

• 3 and 2/5

In the improper fraction method, what is the result of adding 2 and 3/5 plus 4/5?

• 3 and 4/5

• 3 and 3/5

• 3 and 2/5

• 3 and 1/5

What is the result of subtracting 3 and 2/3 minus 1 and 1/3 using the stack method?

• 1 and 2/3

• 1 and 1/3

• 2 and 2/3

• 2 and 1/3

What is the result of subtracting 3 and 1/4 minus 1 and 3/4 using the stack method?

• 1 and 2/4

• 1 and 1/4

• 1 and 1/2

• 1 and 3/4

What is the result of subtracting 3 and 1/6 minus 1 and 5/6 using the stack method?

• 1 and 2/3

• 1 and 1/2

• 1 and 1/6

• 1 and 1/3

What is the result of subtracting 3 and 1/6 minus 1 and 5/6 using the improper fraction method?

• 1 and 1/3

• 1 and 1/6

• 1 and 1/2

• 1 and 2/3