Adding & Subtracting Mixed Numbers

Front

Why can't we just add the numerators and denominators if we need to add two fractions with different denominators?

Back

Because the size of the pieces is different.

Front

Tim has a board that is 5/6 feet long. He painted 2/18 feet of his board last night. How much more does Tim have left to paint?

Back

13/18

Front

What is 6½ - 2⅔?

Back

3 & 5/6

Front

Jerome wants to walk to school. He lives 2 1/4 miles away. So far, he has walked 7/8 of a mile. How far does he have left to go?

Back

1 3/8

Front

April has 2/3 cup sugar and Mike has 1 3/6 cups of sugar. How much do they have together?

Back

13/6 or 2 1/6

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

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 numerator of the fraction.

Front

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

Back

Find a common denominator.

Front

What is the least common denominator (LCD)?

Back

The smallest multiple that two or more denominators share.

Front

How do you subtract mixed numbers?

Back

Subtract the whole numbers and the fractions separately.