Add Subtract Fractions

Front

What is the process for adding fractions with different denominators?

Back

To add fractions with different denominators, first find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then add the numerators and keep the denominator the same.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then subtract the numerators and keep the denominator the same.

Front

What is a least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share. It is used to convert fractions to have the same denominator for addition or subtraction.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the greatest common divisor (GCD)?

Back

The greatest common divisor (GCD) is the largest positive integer that divides two or more integers without leaving a remainder.

Front

What is the first step in adding the fractions 2/3 and 1/4?

Back

The first step is to find the least common denominator (LCD) of the two fractions, which is 12.

Front

How do you convert the fraction 2/3 to have a denominator of 12?

Back

To convert 2/3 to have a denominator of 12, multiply both the numerator and the denominator by 4, resulting in 8/12.

Front

What is the sum of 1/3 and 3/4?

Back

To find the sum, convert both fractions to have a common denominator (12). 1/3 becomes 4/12 and 3/4 becomes 9/12. The sum is 4/12 + 9/12 = 13/12.

Front

How do you find the total amount when adding fractions?

Back

Add the numerators of the fractions after converting them to a common denominator, and keep the common denominator for the result.

Front

What is the result of adding 1/3 and 1/6?

Back

To add 1/3 and 1/6, find the common denominator (6). Convert 1/3 to 2/6. Then, 2/6 + 1/6 = 3/6, which simplifies to 1/2.