Calculator subtraction of real numbers

This calculator makes basic and advanced operations with real numbers, natural numbers, integers, rational and irrational numbers. It also shows detailed step-by-step information about calculation procedure. Solve problems with two, three, or more real numbers in one expression. Add, subtract, and multiply real numbers step-by-step. This calculator performs addition, subtraction, multiplication, or division for calculations on positive or negative real numbers. This online real number calculator will help you understand how to add, subtract, multiply, or divide real numbers.

Real numbers are numbers that can be found on the number line. This includes the natural numbers( 1,2,3 ...), integers (-3) rational (fractions) and irrational numbers (like √2 or π). Positive or negative, large or small, whole numbers or decimal numbers are all real numbers. Imaginary numbers and complex numbers cannot be draw in number line, but in complex plane.

Real numbers in word problems:

• Aircrafts
  James makes the 21 paper aircraft. It is 9 pieces more than make Matthew. How many paper aircraft were Matthew made?
• A refrigerator
  A refrigerator was marked at Php23,675.75. During a sale, it was sold for Php22,500.25. What was the difference between the prices?
• Toy Cars
  Peter has 22 toy cars, Zdenko has 7 toy cars less. How many toy cars has Zdenko?
• Construction 80570
  Maťko built a structure from 13 cubes. Adam used fewer cubes than Maťko for construction. How many dice could Adam use?
• Euro
  I have 1 euro. How much will I have when you spend it?
• Christmas balls
  On the Christmas tree, we put 21 Christmas balls of two colors. Eight of them were blue. How many Christmas balls were red?
• Trickster 2
  Jester had in his wallet a few cents. One friend returned 4 cents and another friend 7 cents. Now he has 51 cents in the wallet. How many cents had previously been in his wallet?
• Floods
  After the floods that hit a school, parents help repair the damage. My father worked at the school 50 hours, my mom 5 hours less. How many hours worked, mother? How many hours worked my parents together?
• Monica 4
  Monica and Ryan shared 18 cookies. Monica ate 1/6 of the cookies. Then Ryan ate 1/3 of the cookies. How many cookies were left?
• Bus
  On the 4th stop, take on 56 and take off 38 passengers. How many were added (write as a positive number) or shrunk (write as a negative number) the count of passengers?
• Car parking
  The car park has 80 cars when 53 cars leave. How many cars are there?

more math problems »