Adding & Subtracting Fractions Review Warm-Up

Front

What type of denominator is required to add or subtract fractions?

Back

A common denominator is required to add or subtract fractions.

Front

How do you simplify the expression \( \frac{1}{4} + \frac{3}{5} \)?

Back

The simplified result is \( \frac{17}{20} \).

Front

What is the result of simplifying \( \frac{4}{9} + \frac{5}{8} \)?

Back

The simplified result is \( \frac{77}{72} \).

Front

How do you simplify the expression \( 2\frac{3}{4} - \frac{6}{7} \)?

Back

The simplified result is \( \frac{53}{28} \).

Front

What is a fraction?

Back

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

Front

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

Back

The first step is to find a common denominator.

Front

What is the least common multiple (LCM) and how is it used in adding fractions?

Back

The least common multiple (LCM) of the denominators is used to find the common denominator for adding fractions.

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

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the process for subtracting fractions?

Back

To subtract fractions, first find a common denominator, then subtract the numerators, and simplify if necessary.