Subtract rational numbers

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 subtract two rational numbers?

Back

To subtract two rational numbers, find a common denominator, convert the fractions, and then subtract the numerators.

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

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the proper fraction.

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

What is the result of subtracting a negative number from a negative number?

Back

Subtracting a negative number is equivalent to adding its absolute value.

Front

What is the simplified form of a fraction?

Back

A fraction is in simplified form when the numerator and denominator have no common factors other than 1.

Front

How do you simplify the fraction 3/9?

Back

Divide both the numerator and denominator by their greatest common divisor, which is 3, resulting in 1/3.

Front

What is the result of 1 3/4 - 1/5?

Back

1 3/4 - 1/5 = 1 11/20 after finding a common denominator and performing the subtraction.

Front

What is the value of -13 - (-4)?

Back

-13 - (-4) = -13 + 4 = -9.