Adding and Subtracting Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 \frac{1}{3}.

Front

How do you add mixed numbers?

Back

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

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to subtract the whole numbers, then subtract the fractions. If the fraction from the second mixed number is larger, borrow from the whole number.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

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

Back

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

Front

What is the sum of 2 \frac{1}{3} and 1 \frac{3}{4}?

Back

The sum is 4 \frac{1}{12}.

Front

What is the difference between 3 \frac{7}{9} and 1 \frac{8}{9}?

Back

The difference is 1 \frac{8}{9}.

Front

What is 5 \frac{1}{10} + 2 \frac{7}{10}?

Back

The sum is 7 \frac{4}{5}.

Front

How do you find the height difference between two people using mixed numbers?

Back

Subtract the shorter height from the taller height. For example, 4 \frac{1}{3} - 2 \frac{2}{3} = 1 \frac{2}{3}.

Front

What is 2 \frac{9}{10} + 6 \frac{1}{3}?

Back

The sum is 9 \frac{7}{30}.