Operations with 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 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 result of -2 1/4 - 4 1/3?

Back

-6 7/12

Front

What is the sum of 3 and -7?

Back

-4

Front

What is the result of -8 - (-4)?

Back

-4

Front

How do you subtract a negative number from a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -5.7 + 0.9?

Back

-4.8

Front

What is the process to solve -2/9 + 2/9?

Back

The result is 0, as the two fractions cancel each other out.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.