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 positive rational numbers?

Back

To add two positive rational numbers, simply add their numerators and keep the denominator the same.

Front

What is the sum of 1/2 and 1/3?

Back

The sum of 1/2 and 1/3 is 5/6.

Front

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

Back

To add 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 adding -4 and 7?

Back

The result of adding -4 and 7 is 3.

Front

What is the first step in adding fractions with different denominators?

Back

The first step is to find a common denominator.

Front

What is the common denominator of 1/4 and 1/6?

Back

The common denominator of 1/4 and 1/6 is 12.

Front

How do you convert 1/4 and 1/6 to have a common denominator?

Back

1/4 becomes 3/12 and 1/6 becomes 2/12.

Front

What is the sum of 3/12 and 2/12?

Back

The sum of 3/12 and 2/12 is 5/12.

Front

If you have $50 and you add $100, what is your new balance?

Back

Your new balance is $150.