Fraction Operations

Front

What is the process for dividing fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, to divide 4/15 by 2/5, you multiply 4/15 by 5/2.

Tags

CCSS.6.NS.A.1

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient becomes the whole number, and the remainder becomes the numerator of the fractional part.

Front

What is the least common denominator (LCD) and why is it important?

Back

The least common denominator is the smallest multiple that two or more denominators share. It is important for adding or subtracting fractions with different denominators.

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 and add it to the whole number sum.

Tags

CCSS.7.NS.A.1C

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator that is equal to or larger than its denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find the least common denominator, convert the fractions to equivalent fractions with the LCD, and then subtract the numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a reciprocal?

Back

A reciprocal of a fraction is obtained by flipping the numerator and denominator. For example, the reciprocal of 3/4 is 4/3.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the formula for multiplying fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together. For example, (2/3) * (4/5) = (2*4)/(3*5) = 8/15.

Tags

CCSS.5.NF.B.6

Front

What is the significance of the numerator in a fraction?

Back

The numerator indicates how many parts of the whole are being considered, while the denominator indicates the total number of equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B