Adding and subtracting fractions

Front

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

Back

Find a common denominator for the fractions.

Front

How do you find a common denominator for two fractions?

Back

Identify the least common multiple (LCM) of the denominators.

Front

What is the result of adding the fractions \( \frac{2}{3} + \frac{1}{6} \)?

Back

The result is \( \frac{5}{6} \).

Front

What is the result of subtracting \( \frac{4}{6} - \frac{1}{2} \)?

Back

The result is \( \frac{1}{6} \).

Front

Can you add fractions with unlike denominators directly? Why or why not?

Back

No, you cannot add unlike denominators directly because they need to be converted to a common denominator.

Front

What is the simplified form of \( \frac{10}{8} \)?

Back

The simplified form is \( \frac{5}{4} \) or \( 1 \frac{1}{4} \).

Front

What is the result of adding \( \frac{3}{7} + \frac{2}{21} \)?

Back

The result is \( \frac{11}{21} \).

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms.

Front

What is the definition of a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

Front

What is the numerator in a fraction?

Back

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