Subtract Fractions from Whole Numbers

Front

What is a whole number?

Back

A whole number is a non-negative integer that does not include fractions or decimals. Examples include 0, 1, 2, 3, etc.

Front

How do you subtract a fraction from a whole number?

Back

To subtract a fraction from a whole number, convert the whole number to a fraction with the same denominator as the fraction being subtracted, then perform the subtraction.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share. It is used to find a common denominator for adding or subtracting fractions.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the process for simplifying fractions?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the result of subtracting a fraction from itself?

Back

Subtracting a fraction from itself results in zero (e.g., a/b - a/b = 0).

Front

How do you handle subtraction when the whole number is less than the fraction?

Back

When subtracting a larger fraction from a smaller whole number, convert the whole number to a fraction with a common denominator and then perform the subtraction, which may result in a negative fraction.

Front

What is the relationship between improper fractions and mixed numbers?

Back

An improper fraction has a numerator that is greater than or equal to its denominator, while a mixed number combines a whole number and a proper fraction.

Front

What is the formula for subtracting fractions?

Back

The formula for subtracting fractions is: a/b - c/d = (ad - bc) / bd, where a/b and c/d are the fractions being subtracted.

Front

What does it mean to have a common denominator?

Back

Having a common denominator means that two or more fractions share the same denominator, allowing for direct addition or subtraction.