Operations With Rational Numbers and Like Denominators

What are the steps to add and subtract like fractions?

• Add or subtract the denominators and keep the numerators the same

• Divide the numerators and denominators

• Add or subtract the numerators and keep the denominators the same

• Multiply the numerators and denominators

-1 1/2 + 2 7/10

• 1 1/5

• -1 1/5

• 1 1/5gre

• 1 1/5erh

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

What is

1/4 - 5/6

• 13/12

• - 13/12

• - 7/12

• 7/12

A number that can be made by dividing two integers is a _________ number

• Irrational

• Rational

• Whole

• Negative

Terms whose variables with any exponents are the same.

• Like Terms

• Common denominators

• Equivalent Expressions

Divide and Simplify

• A

• B

• C

• D

Perform the operation

• A

• B

• C

• D

Perform the operation

• A

• B

• C

• D

Find the LCD of the following rational numbers

5/4 and 2/3

• 12

• 5

• 24

• 7