Add Subtract Multiple And Divide

When you add or subtract fractions with unlike denominators you..

• Find the greatest common factor to change your denominator

• Change the denominator by picking a random number then divide

• Find the least common multiple to change your denominator

• none of these are true

3/4 - 2/10

• 11/20

• 9/10

• 11/24

• 9/4

4/5 + 3/8 (be sure to simplify)

• 32/40

• 1 7/40

• 2 5/7

• 1 1/2

When you have an improper fraction what do you do to make it a mixed number?

• Divide

• Multiply

• Add

• Subtract

5/10 + 8/5

• 5/9

• 1/10

• 2 1/10

• 2 2/10

3/5 - 5/10

• 1/10

• 8/5

• 1/5

• 8/0

Pick the steps that are true

• find the common denominators, add or subtract, change the numerators

• multiply the denominators, add or subtract the numerators, simplify, divide the fraction

• Find the least common denominators, what you do to the top do to the bottom, add or subtract, simplify

• add or subtract, simplify, multiply denominators

I know I must _________ if the question asks for the sum.

• add

• subtract

• divide

• multiply

A ________________ is a number that is a multiple of two or more numbers.

• mixed number

• common denominator

• equivalent fraction

• common multiple

The ____________________ is a common multiple of two or more denominators.

• equivalent

• simplest fraction

• common denominator

• mixed number