Add and Subtraction 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 (the number of parts) and 'b' is the denominator (the total number of equal parts).

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first 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 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 the least common denominator (LCD)?

Back

To find the least common denominator, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

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 - 1/8?

Back

3/4 - 1/8 = 5/8.

Front

If you have 5/8 of a pizza and eat 3/8, how much is left?

Back

5/8 - 3/8 = 2/8, which simplifies to 1/4.

Front

What does it mean to simplify a fraction?

Back

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

Front

What is the sum of 2/5 and 3/10?

Back

2/5 + 3/10 = 7/10.