Расчет дроби 2/5 - 1/4 = 3/20

The online fraction calculator allows you to perform basic actions with fractions: addition, subtraction, multiplication and division. As well as reduction, reduction to a common denominator and simplification.


To calculate the sum, difference, product or quotient of two fractions and get a detailed solution, enter the numerator and denominator of each fraction and, if available, the integer part. Next, select the necessary operation from the list. If necessary, enter a negative fraction, put a minus sign "-" in the integer part of the fraction.

  • Calculator
  • Instruction
  • Theory
  • History
  • Report a problem

2
5
-
1
4
=
3
20
Solution:
2
5
-
1
4
=
2*4
5*4
-
1*5
4*5
=
8
20
-
5
20
=
8-5
20
=
3
20
Detailed explanation of the solution:
1.Bringing to a common denominator
2
5
-
1
4
=
2*4
5*4
-
1*5
4*5
=
8
20
-
5
20
2.Subtractionfractions with common denominators
8
20
-
5
20
=
8-5
20
=
3
20

Similar calculators


Calculators of other categories

Your score?