Adding and 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

What does it mean to add fractions?

Back

Adding fractions involves finding a common denominator and then adding the numerators.

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 added or subtracted.

Front

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

Back

The least common multiple (LCM) of the denominators (3 and 4) is 12.

Front

What is the sum of 1/3 and 1/2?

Back

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

Front

How do you subtract fractions?

Back

To subtract fractions, find a common denominator, then subtract the numerators.

Front

What is the result of 93/100 - 4/5?

Back

93/100 - 4/5 = 13/100.

Front

What is the sum of 5/7 and 1/28?

Back

5/7 + 1/28 = 21/28.

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 a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 1 1/2.