Расчет дроби 5/14 + 5/21 = 25/42

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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5
14
+
5
21
=
25
42
Solution:
5
14
+
5
21
=
5*3
14*3
+
5*2
21*2
=
15
42
+
10
42
=
15+10
42
=
25
42
Detailed explanation of the solution:
1.Bringing to a common denominator
5
14
+
5
21
=
5*3
14*3
+
5*2
21*2
=
15
42
+
10
42
2.Additionfractions with common denominators
15
42
+
10
42
=
15+10
42
=
25
42

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