Adding & Subtracting Fractions

Front

What is a fraction?

Back

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

Front

What does it mean to add fractions?

Back

Adding fractions means combining parts of a whole. If the fractions have the same denominator, you add the numerators and keep the denominator. If they have different denominators, you must find a common denominator first.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means taking one part away from another. Like addition, if the fractions have the same denominator, subtract the numerators and keep the denominator. If they have different denominators, find a common denominator first.

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

How do you simplify a fraction?

Back

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

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

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

Back

1/4 + 1/4 = 2/4, which simplifies to 1/2.

Front

What is the sum of 2/5 and 1/5?

Back

2/5 + 1/5 = 3/5.

Front

What is the difference between 3/4 and 1/4?

Back

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

Front

What is the sum of 2/7 and 4/7?

Back

2/7 + 4/7 = 6/7.