Add and Subtract Mixed Numbers Checkpoint

Front

What is a mixed number?

Back

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

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

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

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to ensure both mixed numbers have the same denominator for the fractions.

Front

What do you do if the fraction part of the first mixed number is smaller than the second?

Back

If the fraction part of the first mixed number is smaller, you need to borrow 1 from the whole number.

Front

What is the process of borrowing in subtraction?

Back

Borrowing involves taking 1 from the whole number, converting it to a fraction with the same denominator, and adding it to the fraction part.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be a common denominator for two or more fractions.

Front

How do you find the least common denominator?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple they share.

Front

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

Back

The result is 6 11/12.