Adding and Subtracting Fractions

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

Carefully following a recipe, Ben used exactly 5/8 of a cup of oil and 3/4 of a cup of water. How many cups of liquid did Ben use in all?

Back

1 and 3/8 cups.

Front

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/6 of a yard. How much farther did the beetle crawl than the spider?

Back

2/6 of a yard.

Front

What is the Least Common Denominator of 1/5 + 2/10?

Back

10.

Front

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

Back

1 and 1/12 pounds.

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the process to add fractions with different denominators?

Back

Convert to a common denominator, then add the numerators and keep the common denominator.

Front

What is the process to subtract fractions with different denominators?

Back

Convert to a common denominator, then subtract the numerators and keep the common denominator.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.