Расчет дроби 1(3/7) + 8(21/49) = 69/7

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

1
3
7
+
8
21
49
=
69
7
≈
9.857
Solution:
1
3
7
+
8
21
49
=
1*7+3
7
+
8*49+21
49
=
7+3
7
+
392+21
49
=
10
7
+
413
49
=
10*7
7*7
+
413
49
=
70
49
+
413
49
=
70+413
49
=
483
49
=
69*7
7*7
=
69
7
≈
9.857
Detailed explanation of the solution:
1.Conversion of mixed fractions to ordinary fractions
1
3
7
+
8
21
49
=
1*7+3
7
+
8*49+21
49
=
7+3
7
+
392+21
49
=
10
7
+
413
49
2.Bringing to a common denominator
10
7
+
413
49
=
10*7
7*7
+
413
49
=
70
49
+
413
49
3.Additionfractions with common denominators
70
49
+
413
49
=
70+413
49
=
483
49
4.Reduce the fraction and get the result
483
49
=
69*7
7*7
=
69
7
≈
9.857

Similar calculators


Calculators of other categories

Your score?