Operations on Fractions 8

Front

What is a fraction?

Back

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

Front

How do you add fractions with different denominators?

Back

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

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/3.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the weight of an object on the moon if it weighs 12½ pounds on Earth?

Back

2 1/12 pounds (since weight on the moon is 1/6 of weight on Earth).

Front

How do you subtract fractions?

Back

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the denominator the same.

Front

What is the process to divide fractions?

Back

To divide fractions, multiply by the reciprocal of the second fraction.

Front

How many whole tiles can be cut from a larger tile of 100 ⅝ inches if each tile is 14 ⅜ inches?

Back

7 whole tiles.

Front

What is the sum of 1⅔ and 1⅚?

Back

3 1/2.

Front

How do you find the total time spent on two activities if one takes ½ hour and the other takes ⅓ hour?

Back

Add the two times: ½ + ⅓ = ⅚ hour.