Adding and Subtracting 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

What does it mean to add rational numbers?

Back

Adding rational numbers involves finding a common denominator and combining the numerators.

Front

What does it mean to subtract rational numbers?

Back

Subtracting rational numbers involves finding a common denominator and subtracting the numerators.

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.

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

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

Back

Find a common denominator for the fractions.

Front

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

Back

Find a common denominator for the fractions.

Front

What is the result of -3 1/6 + 5 3/5?

Back

2 13/30.

Front

What is the result of -2 1/4 - (-8 2/5)?

Back

6 3/20.

Front

What is the result of 3/5 - (-1/5)?

Back

4/5.