Расчет дроби 21/3 + 6 = 13

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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21
3
+
6
=
13
Solution:
21
3
+
6
=
21
3
+
6
1
=
21
3
+
6
1
=
21
3
+
6
1
=
21
3
+
6*3
1*3
=
21
3
+
18
3
=
21+18
3
=
39
3
=
13*3
1*3
=
13
1
=
13
Detailed explanation of the solution:
1.Conversion of mixed fractions to ordinary fractions
21
3
+
6
=
21
3
+
6
1
=
21
3
+
6
1
=
21
3
+
6
1
2.Bringing to a common denominator
21
3
+
6
1
=
21
3
+
6*3
1*3
=
21
3
+
18
3
3.Additionfractions with common denominators
21
3
+
18
3
=
21+18
3
=
39
3
4.Reduce the fraction and get the result
39
3
=
13*3
1*3
=
13
1
=
13

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