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 the first step in subtracting fractions?

Back

The first step in subtracting fractions is to ensure they have a common denominator.

Front

What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms, where the numerator and denominator have no common factors other than 1.

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 that over the original denominator.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

What is the result of 1/2 + 1/4?

Back

1/2 + 1/4 = 3/4.

Front

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

Back

3/4 - 1/2 = 1/4.

Front

How do you add mixed numbers?

Back

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

Front

What is the result of 2 1/3 + 1 2/3?

Back

2 1/3 + 1 2/3 = 4.