Mastering Addition and Subtraction of Mixed Numbers

What is the common denominator used in the first addition example?

• 7

• 9

• 5

• 11

What is the sum of 7 and 7 in the first addition example?

• 15

• 14

• 13

• 16

What is the result of 4 + 5 in the first addition example?

• 10

• 9

• 11

• 8

How do you simplify the fraction 3/9?

• 1/3

• 3/8

• 1/2

• 2/3

What is the result of adding 8 and 9 in the second addition example?

• 17

• 16

• 19

• 18

What is the simplified form of the fraction result in the second addition example?

• 2/3

• 1/2

• 3/8

• 1/3

What is the result of 2 + 1 in the second addition example?

• 5

• 4

• 2

• 3

What is the first step in subtracting mixed numbers when the fractional part of the minuend is smaller than the subtrahend?

• Borrow from the whole number

• Add the fractions

• Subtract the whole numbers

• Multiply the fractions

After borrowing, what fraction is added to the original fraction in the subtraction example?

• 4/4

• 3/3

• 6/6

• 5/5

What is the final result of the subtraction example?

• 4 and 4/5

• 5 and 1/5

• 4 and 1/4

• 5 and 1/4