Math 3.13 Subtraction of Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (the number of parts) and 'b' is the denominator (the total number of equal parts).

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

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

What is the first step in subtracting fractions?

Back

The first step is to find a common denominator for the fractions you want to subtract.

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factor to make the denominators the same.

Front

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

Back

1/2 - 1/4 = 1/4.

Front

What is the result of 3/4 - 1/2?

Back

3/4 - 1/2 = 1/4.

Front

What is the result of 5/6 - 1/3?

Back

5/6 - 1/3 = 1/2.

Front

What is the result of 2/3 - 1/6?

Back

2/3 - 1/6 = 1/2.

Front

What does it mean to estimate the difference between fractions?

Back

Estimating the difference means finding a close approximation of the result without calculating the exact value.