Расчет дроби 7/8 - 7/9 = 7/72

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.

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7
8
-
7
9
=
7
72
Solution:
7
8
-
7
9
=
7*9
8*9
-
7*8
9*8
=
63
72
-
56
72
=
63-56
72
=
7
72
Detailed explanation of the solution:
1.Bringing to a common denominator
7
8
-
7
9
=
7*9
8*9
-
7*8
9*8
=
63
72
-
56
72
2.Subtractionfractions with common denominators
63
72
-
56
72
=
63-56
72
=
7
72

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