Operations with 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 result of (−8.1) − (−8.9)?

Back

0.8

Front

What is the product of 30/36?

Back

30/36 is the simplified form of the fraction, which equals 5/6.

Front

What is the result of dividing 2 by 3?

Back

2/3

Front

If the ratio of tomatoes to cucumbers is 4:1 and there are 7 cucumber plants, how many tomato plants are there?

Back

28

Front

What is the product of -0.2052 and 1?

Back

-0.2052

Front

How do you add two rational numbers with different signs?

Back

To add 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 result of multiplying two negative rational numbers?

Back

The product of two negative rational numbers is a positive rational number.

Front

What is the process to simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the result of (−3/4) + (1/2)?

Back

(−3/4) + (1/2) = (−3/4) + (2/4) = −1/4.