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 is an equivalent fraction?

Back

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

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = 3/4.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators. For example, 3/5 - 1/5 = 2/5.

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1, such as 1/2, 1/3, or 1/4.

Front

What do you need to add or subtract fractions with different denominators?

Back

You need to find a common denominator to add or subtract fractions with different denominators.

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 find a common denominator for 1/4 and 1/6?

Back

The least common multiple of 4 and 6 is 12, so the common denominator is 12.

Front

What is the process to add 1/4 and 1/6?

Back

Convert to a common denominator: 1/4 = 3/12 and 1/6 = 2/12. Then add: 3/12 + 2/12 = 5/12.

Front

How do you subtract 3/8 from 5/8?

Back

Since the denominators are the same, subtract the numerators: 5/8 - 3/8 = 2/8, which simplifies to 1/4.