Adding 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 add two rational numbers with different signs?

Back

When adding two rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the sum of -2 and 4?

Back

The sum is 2.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the process to add fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Front

Solve the expression: -2 1/3 + 4.6̅ = ?

Back

2 1/3 or 2.3̅

Front

If your score is -5 3/5 and you gain 9.7 points, what is your new score?

Back

4.1 or 4 1/10 points.

Front

What is the result of adding a negative number to a positive number?

Back

The result depends on the absolute values; if the positive number is larger, the result is positive, and if the negative number is larger, the result is negative.

Front

How do you add decimals?

Back

Align the decimal points and add as you would with whole numbers, then place the decimal point in the sum.

Front

Solve the expression: -3.42 + 1.679 = ?

Back

-1.741