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 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.

Front

What is the process to subtract fractions?

Back

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

Front

How do you multiply two fractions?

Back

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

Front

What is the result of dividing a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by that whole number.

Front

What is the formula for converting a decimal to a fraction?

Back

To convert a decimal to a fraction, write the decimal over 1, multiply numerator and denominator by 10 for each digit after the decimal, and simplify.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

How do you find the difference between two integers?

Back

To find the difference between two integers, subtract the smaller integer from the larger integer.

Front

What is the sum of 3/8 and 1/4?

Back

3/8 + 1/4 = 5/8.