Adding and Subtracting 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 (part) and 'b' is the denominator (whole).

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. If the denominators are the same, add the numerators. If they are different, find a common denominator first.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find the Least Common Denominator (LCD)?

Back

The Least Common Denominator (LCD) is the smallest multiple that two or more denominators share. It can be found by listing the multiples of each denominator and identifying the smallest one.

Front

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

Back

1 or 4/4.

Front

What is the sum of 1/5 + 2/10?

Back

The sum is 1/2 or 5/10.

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator. If they do, subtract the numerators and keep the denominator the same.

Front

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

Back

The sum is 7/6 or 1 1/6.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.

Front

What is a mixed number?

Back

A mixed number combines a whole number and a fraction, such as 1 1/2.