Add and Subtract Fractions

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 of the whole are being considered.

Front

What is the denominator in a fraction?

Back

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

Front

What does it mean to add fractions?

Back

To add fractions, you need to have a common denominator, then add the numerators and keep the denominator the same.

Front

What does it mean to subtract fractions?

Back

To subtract fractions, you need to have a common denominator, then subtract the numerators and keep the denominator the same.

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) of two fractions?

Back

The least common denominator is the smallest multiple that both denominators can divide into without a remainder.

Front

What is the least common denominator for 3 and 4?

Back

12

Front

If Tiffany bought 2/5 kg of cherries and Linda bought 1/10 kg, how many kg did they buy altogether?

Back

1/2 kg

Front

What must you have to add and subtract fractions?

Back

Common denominators.