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 rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the result of -3 ¼ + ½?

Back

-2 ¾

Front

How do you find half of a fraction?

Back

To find half of a fraction, multiply the numerator by 1 and the denominator by 2.

Front

If Cliff has ½ of his marbles blue and ½ of those are dark blue, how much of his total collection is dark blue?

Back

¼ of the marbles.

Front

What is the value of -7/9?

Back

-7/9 is a rational number.

Front

How do you multiply a negative number by a mixed number?

Back

Convert the mixed number to an improper fraction, then multiply the negative number by the numerator and keep the denominator.

Front

What is the result of -4 × (-9 ⅓)?

Back

37 ⅓

Front

How do you subtract two fractions with different denominators?

Back

Find a common denominator, convert each fraction, and then subtract the numerators.

Front

What is the difference between 1 ⅓ laps and ½ lap?

Back

⅚ laps.