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 -8,347 and -2,104?

Back

-10,451

Front

What is the sum of -2.5 and -4.1?

Back

-6.6

Front

What is the sum of -43 and -4.23?

Back

-47.23

Front

What is the sum of -0.32, -14, and -4.2?

Back

-18.52

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

Front

What is the sum of 5/8 and 1/4?

Back

7/8

Front

What is the first step in adding rational numbers?

Back

Identify the signs of the numbers (positive or negative) and determine how they will affect the sum.

Front

What happens when you add a positive rational number to a negative rational number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.