Adding Mixed Numbers and Improper Fractions with Like Denominators

What should you do with mixed numbers when adding, subtracting, multiplying, or dividing?

• change them to improper fractions using TX

• reduce them

• flip them

• find common factors

3 and 1/2 is an example of a __________.

• improper fraction

• mixed number

• proper fraction

• whole number

Choose all of the following words that deal specifically with fractions

• product

• denomintator

• volume

• numerator

• exponent

What is a common denominator?

• A common denominator is the largest number in a set of fractions.

• A common denominator is a shared multiple of the denominators of two or more fractions.

• A common denominator is only used in addition and subtraction of fractions.

• A common denominator is the sum of the denominators of two or more fractions.

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

2/12 + 3/12

• 5/12

• 5/24

• 6/12

• 6/144

Convert the mixed fraction to a improper fraction.

• 22 /9

• 20/9

• 31 / 9

• 4/6

Before adding or subtracting of fractions, we should make sure that the ______________ are equal.

• Numerators

• Symbols

• Divisors

• Denominators

All fractions with same denominator are called ........................

• like fractions.

• proper fractions

• improper fraction

• unit fraction.