Fractions/Adding and Subtracting with like denominators

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 have like denominators?

Back

Like denominators are when two or more fractions have the same denominator, making it easier to add or subtract them.

Front

How do you add fractions with like denominators?

Back

To add fractions with like denominators, keep the denominator the same and add the numerators. For example, 3/8 + 2/8 = (3+2)/8 = 5/8.

Front

How do you subtract fractions with like denominators?

Back

To subtract fractions with like denominators, keep the denominator the same and subtract the numerators. For example, 4/5 - 1/5 = (4-1)/5 = 3/5.

Front

What is the sum of 4/8 + 4/8?

Back

The sum is 1, because 4/8 + 4/8 = (4+4)/8 = 8/8 = 1.

Front

If you have 1/2 of a pizza and your friend has 2/4, how much pizza do you both have?

Back

You both have the same amount of pizza, because 1/2 = 2/4.

Front

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

Back

The difference is 3/4, because 4/4 - 1/4 = (4-1)/4 = 3/4.

Front

What is a numerator?

Back

The numerator is the top number in a fraction that indicates how many parts are being considered.

Front

What is a denominator?

Back

The denominator is the bottom number in a fraction that indicates how many equal parts the whole is divided into.

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.