How Many Groups Using Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (as a decimal). For example, to find 5% of 100, calculate 100 * 0.05 = 5.

Front

If you have 2/3 gallon of milk and want to pour it into 6 equal glasses, how much milk will be in each glass?

Back

Each glass will contain 1/9 gallon of milk.

Front

How do you divide a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/2 ÷ 3 = 1/(2*3) = 1/6.

Front

If a group of 12 students shares 7/8 of a chocolate bar equally, how much does each student get?

Back

Each student will get 7/96 of the chocolate bar.

Front

What is the total amount of sugar needed if a recipe calls for 3/4 cup and you want to make 2 batches?

Back

You will need a total of 1 1/2 cups of sugar.

Front

If a pizza is divided into 10 equal slices and you eat 3/10 of it, what fraction is left?

Back

7/10 of the pizza is left.

Front

What does it mean to simplify a fraction?

Back

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

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What is the process to add two fractions with different denominators?

Back

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