Rational Number Operations

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you find equivalent fractions?

Back

To find equivalent fractions, multiply or divide both the numerator and the denominator of a fraction by the same non-zero number.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

How do you add fractions with different denominators?

Back

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

Front

What is the sum of 1.70 + 4.65?

Back

The sum is 6.35.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and multiply the denominators together.

Front

What is the product of 4/5 × 1/5?

Back

The product is 4/25.

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

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

Front

What is the process for finding the greatest common factor (GCF)?

Back

To find the GCF, list the factors of each number and identify the largest factor that appears in both lists.