Test Review Add/Subtract Mixed Numbers

Front

What is a mixed number?

Back

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

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator forms the fraction.

Front

What is the first step in adding mixed numbers?

Back

The first step in adding mixed numbers is to convert them to improper fractions.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, convert them to improper fractions, perform the subtraction, and then convert back to a mixed number if necessary.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share, used to add or subtract fractions.

Front

How do you find the least common denominator for 2/5 and 3/10?

Back

The least common denominator for 2/5 and 3/10 is 10.

Front

What is the process for simplifying a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find the least common denominator, convert the fractions, and then add the numerators.

Front

What is the formula for adding mixed numbers?

Back

The formula for adding mixed numbers is: (whole number part 1 + whole number part 2) + (fraction part 1 + fraction part 2). If the fraction part exceeds 1, convert it to a mixed number.