Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

How do you add fractions with different denominators?

Back

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

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

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 first step in subtracting fractions?

Back

Ensure both fractions have a common denominator before subtracting.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor.

Front

What is the result of 1/2 + 1/2?

Back

1/2 + 1/2 = 1.

Front

What is the result of 3/4 - 1/4?

Back

3/4 - 1/4 = 2/4, which simplifies to 1/2.

Front

How do you add mixed numbers?

Back

Add the whole numbers together, then add the fractions, and simplify if necessary.