Add and Subtract Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

What does it mean to add fractions?

Back

Adding fractions means combining the parts represented by the fractions. To add fractions with the same denominator, add the numerators and keep the denominator the same.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between the parts represented by the fractions. To subtract fractions with the same denominator, subtract the numerators and keep the denominator the same.

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/8.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you want to add or subtract.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value, such as 1/2 and 2/4.

Front

How can 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 sum of 1/4 and 1/4?

Back

The sum of 1/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

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

Back

The difference between 3/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

If you have 2/8 and you add 3/8, what do you get?

Back

2/8 + 3/8 = 5/8.