Simplify two rational expressions by adding

What is the first step in simplifying an irrational expression involving addition?

• Divide the denominators

• Find common denominators

• Multiply the numerators

• Find the greatest common factor

When adding fractions like 5/7 and 2/3, what is the least common multiple of the denominators?

• 14

• 42

• 21

• 35

What is a method to find a common multiple for complex expressions?

• Divide the numerators

• Subtract the denominators

• Multiply the denominators

• Add the numerators

What property is applied when multiplying a number by an expression inside parentheses?

• Distributive property

• Commutative property

• Identity property

• Associative property

After finding common denominators, what is the next step in simplifying the expression?

• Combine like terms

• Divide the expression

• Multiply the expression

• Add the numerators

What can be factored out from the expression 10B - 72?

• A 5

• A 2

• A 4

• A 3

What is the final step in simplifying an expression after combining like terms?

• Multiply the expression

• Factor out common terms

• Add more terms

• Expand the expression