add and subtract fractions and mixed numbers

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 is a mixed number?

Back

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

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same. For example, 3/5 - 1/5 = (3-1)/5 = 2/5.

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator for the fractions.

Front

How do you find a common denominator for 1/2, 1/3, and 1/4?

Back

The least common multiple (LCM) of the denominators (2, 3, and 4) is 12.

Front

What is the process to convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

Front

Convert 7/2 to a mixed number.

Back

7/2 = 3 1/2.

Front

What is the result of 6/7 - 2/3?

Back

6/7 - 2/3 = 4/21.

Front

What is the simplified form of 9/45?

Back

9/45 = 1/5.