Adding Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you add two negative rational numbers?

Back

To add two negative rational numbers, you add their absolute values and keep the negative sign.

Front

What is the sum of -5/6 and -3/8?

Back

-29/24 (or -1 5/24)

Front

How do you add a positive and a negative rational number?

Back

Subtract the absolute value of the negative number from the positive number and keep the sign of the number with the larger absolute value.

Front

What is the result of -2.61 + (-6.88)?

Back

-9.49

Front

What is the process to find the common denominator when adding fractions?

Back

To find the common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the sum of 9/7 and -1/5?

Back

38/35

Front

How do you represent a decrease in stock price using rational numbers?

Back

A decrease in stock price is represented by a negative rational number.

Front

If a stock price starts at $37 and changes as follows: down $3, up $1, down $7, and up $4, what is the final price?

Back

$32

Front

What is the value of the expression -12 and 19/21?

Back

-12 and 19/21 is a mixed number representing a rational number.