Adding and Subtracting Fractions with Like-Denominators

Front

What do you need to add or subtract fractions?

Back

Common denominators.

Front

What is a fraction?

Back

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

Front

What is the numerator in a fraction?

Back

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

Front

What is the denominator in a fraction?

Back

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

Front

Can you add fractions with different denominators?

Back

No, you must have common denominators to add or subtract fractions.

Front

What does it mean to have like denominators?

Back

Like denominators mean that the denominators of the fractions are the same.

Front

If you have 1/4 + 2/4, what is the sum?

Back

1/4 + 2/4 = 3/4.

Front

If you have 3/5 - 1/5, what is the difference?

Back

3/5 - 1/5 = 2/5.

Front

What is the first step in adding fractions with like denominators?

Back

Add the numerators and keep the denominator the same.

Front

What is the first step in subtracting fractions with like denominators?

Back

Subtract the numerators and keep the denominator the same.