Fractions with uncommon denominator

Front

What is a common denominator?

Back

A common denominator is a number that can be used as a denominator for two or more fractions, allowing them to be compared or added together.

Front

How do you find a common denominator for 2/3 and 3/4?

Back

List the multiples of each denominator (3: 3, 6, 9, 12; 4: 4, 8, 12). The smallest common multiple is 12.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.

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 are different.

Front

Which of the following is NOT an equivalent fraction to 1/2: 2/4, 2/3, 4/8, 3/6?

Back

2/3 is NOT an equivalent fraction to 1/2.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Front

What is the sum of 5/9 and 1/6?

Back

The sum is 13/18 gallons.

Front

If a recipe calls for 7/8 cup of onions and Bart used 1/4 cup less, how much did he use?

Back

Bart used 5/8 cup of onions.

Front

What is the process to convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factors to reach the common denominator.

Front

What is a ratio table?

Back

A ratio table is a tool used to show the relationship between two quantities, often used to find equivalent fractions.