Topic 7 Add and Subtract Unlike and Mixed Fractions

Front

What is a fraction?

Back

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

Front

What does it mean to have unlike fractions?

Back

Unlike fractions have different denominators, making it necessary to find a common denominator to add or subtract them.

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 1/3 and 1/4?

Back

The least common denominator of 1/3 and 1/4 is 12.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator may be different.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the first step in adding unlike fractions?

Back

The first step is to find the common denominator for each fraction and then make equivalent fractions.

Front

Back

Front

What is the process for subtracting fractions?

Back

To subtract fractions, find a common denominator, convert the fractions to equivalent fractions, and then subtract the numerators.

Front

What is a mixed number?

Back