Adding & Subtracting Positive and Negative Rationals Numbers

Front

What is the sum of -3/4 and -1/4?

Back

-1

Front

How do you add -2/5 and -9/3?

Back

The sum is -51/15 or -3 2/5.

Front

What is 9 + -6.73?

Back

2.27

Front

What is 1/4 - (-3/4)?

Back

1.

Front

What is the definition of a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, where p is the numerator and q is the denominator (q ≠ 0).

Front

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

Back

Subtracting a negative number is equivalent to adding its absolute value.

Front

What is the result of adding two negative rational numbers?

Back

The result is always a negative rational number.

Front

What is the process for finding a common denominator when adding fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

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 difference between positive and negative rational numbers?

Back

Positive rational numbers are greater than zero, while negative rational numbers are less than zero.