Subtracting Rationals

Front

What is subtracting a negative number equivalent to?

Back

Adding the positive equivalent of that number.

Front

What is the result of 2.25 − (−0.25)?

Back

2.5

Front

What is the result of 7.4 − 0.2?

Back

7.2

Front

What is the result of 7 - (-1)?

Back

8

Front

What is the result of 12 - (-5)?

Back

17

Front

What is the result of -1 - (-8)?

Back

7

Front

How do you subtract two rational numbers?

Back

Convert them to a common denominator if necessary, then subtract the numerators.

Front

What is a rational number?

Back

A number that can be expressed as a fraction of two integers.

Front

What does it mean to subtract?

Back

To take one number away from another.

Front

What is the difference between positive and negative numbers in subtraction?

Back

Subtracting a positive number decreases the value, while subtracting a negative number increases the value.