Rational Number Operations

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, add their absolute values and keep the negative sign.

Front

What is the result of -2 ⅙ - (-1 ¾)?

Back

-5/12

Front

What is the sum of -9 and -5?

Back

-14

Front

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

Back

Subtract the absolute values and take the sign of the number with the larger absolute value.

Front

What is the sum of 7.9 and 18.72?

Back

26.62

Front

How do you add mixed numbers?

Back

Convert mixed numbers to improper fractions, add them, and convert back to a mixed number if necessary.

Front

What is the result of -3 ¼ + ½?

Back

-2 ¾

Front

What is the sum of -½ and -½?

Back

-1

Front

What is the process to subtract rational numbers?

Back

To subtract rational numbers, add the opposite of the number being subtracted.