Rational Numbers Homework

Which of the following are rational numbers? Select all that apply.

What is the definition of a rational number?

When adding fractions, the _______ must be the same.

When multiplying fractions, the denominators must be the same.

Simplify: $$-\frac{7}{7}$$  

(a)  

Which of the following are equal to $$\frac{25}{30}$$  ? Select all that apply

$$5\frac{2}{3}=$$  

Jack and Jill are trying to covert $$7\frac{1}{5}$$  into an improper fraction. Jack added five and seven to get twelve, and then multiplied 12 by 1 to get 13, so he said $$7\frac{1}{5}=\frac{13}{5}$$  . Jill multiplied five times seven to get 35, and then added 35 plus 1 to get 36, so she said $$7\frac{1}{5}=\frac{36}{5}$$  . Which one is correct?

As a decimal, $$\frac{4}{5}=$$  

As a simplified fraction, $$0.6=$$