Adding & Subtracting Rational Numbers

Front

What is a rational number?

Back

Front

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the process for subtracting rational numbers?

Back

To subtract rational numbers, convert them to a common denominator, then subtract the numerators and keep the common denominator.

Front

What is the absolute value of a number?

Back

Front

How do you find the distance between two numbers on a number line?

Back

Front

What is the result of adding a positive and a negative rational number?

Back

When adding a positive and a negative rational number, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the result of subtracting a negative number from a positive number?

Back

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

Back

Front

If you have -$12.32 and deposit $30, what is your new balance?

Back

New balance = -$12.32 + $30 = $17.68.