Расчет дроби 7(8/13) + 4(8/13) = 159/13

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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
13
+
4
8
13
=
159
13
12.231
Solution:
7
8
13
+
4
8
13
=
7*13+8
13
+
4*13+8
13
=
91+8
13
+
52+8
13
=
99
13
+
60
13
=
99+60
13
=
159
13
12.231
Detailed explanation of the solution:
1.Conversion of mixed fractions to ordinary fractions
7
8
13
+
4
8
13
=
7*13+8
13
+
4*13+8
13
=
91+8
13
+
52+8
13
=
99
13
+
60
13
2.Additionfractions with common denominators
99
13
+
60
13
=
99+60
13
=
159
13
12.231
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