subtracting 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

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 4/5 - 1/20?

Back

The first step is to find a common denominator, which in this case is 20.

Front

What is 4/5 expressed with a denominator of 20?

Back

4/5 is equivalent to 16/20.

Front

What is the result of 16/20 - 1/20?

Back

The result is 15/20, which simplifies to 3/4.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 6½.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, subtract the whole numbers and the fractions separately, then combine the results.

Front

What is 6½ - 2⅔?

Back

The result is 3⅚.

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.