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

What is the sum of 19 + 7 + 6?

Back

32

Front

What is the sum of 42 + 18?

Back

60

Front

What is the sum of 402.1 + 7.392?

Back

409.492

Front

What is the sum of -1/4 + -2/4?

Back

-3/4

Front

What is the sum of -0.32 + -14 + -4.2?

Back

-18.52

Front

How do you add two positive rational numbers?

Back

To add two positive rational numbers, simply add their numerators and keep the same denominator.

Front

How do you add two negative rational numbers?

Back

To add two negative rational numbers, add their absolute values and keep the negative sign.

Front

What is the rule for adding a positive and a negative rational number?

Back

When adding a positive and a negative rational number, subtract the smaller absolute value from the larger absolute value and take the sign of the number with the larger absolute value.

Front

What is the sum of 3/4 + 1/4?

Back

1 (or 4/4)