Adding and subtracting fractions

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 a common denominator for ⅘ and ½?

Back

To find a common denominator for ⅘ and ½, identify the least common multiple (LCM) of the denominators 5 and 2, which is 10.

Front

What is the first step in adding fractions?

Back

The first step in adding fractions is to find a common denominator.

Front

What is the result of 3/7 + 2/21?

Back

The result of 3/7 + 2/21 is 11/21.

Front

How do you simplify the fraction 10/8?

Back

To simplify 10/8, divide both the numerator and denominator by their greatest common divisor (GCD), which is 2, resulting in 5/4.

Front

What is the result of 4/6 - 1/2?

Back

The result of 4/6 - 1/2 is 1/6.

Front

How do you convert 1/3 to a fraction with a denominator of 9?

Back

To convert 1/3 to a fraction with a denominator of 9, multiply both the numerator and denominator by 3, resulting in 3/9.

Front

What is the result of 3/9 + 1/3?

Back

The result of 3/9 + 1/3 is 2/3.

Front

What is the process of adding fractions with different denominators?

Back

The process involves finding a common denominator, converting the fractions, and then adding the numerators.

Front

What is the greatest common divisor (GCD)?

Back

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