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 subtract a rational number?

Back

Subtracting a rational number means finding the difference between two rational numbers, which can involve changing the signs and adding.

Front

What is the result of 5.5 - 2.75?

Back

2.75

Front

How do you subtract a negative number?

Back

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

Front

What is the result of -5 1/4 + 3 2/5?

Back

-1 17/20

Front

What is the result of ⅛ - ¼?

Back

-1/8

Front

How do you subtract fractions with different denominators?

Back

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

Front

What is the result of -½ - ⅔?

Back

-1 1/6

Front

What is the result of -2.4 - 1.2?

Back

-3.6

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions before subtracting.