
7/12 * 4/5 + 1/3 / (5/6)


Ответы на вопрос

Ответ:
13/15
Пошаговое объяснение:
1) 7/12 * 4/5 = 7/15
2) 1/3 : 5/6 = 1/3 * 6/5 = 2/5
3) 7/15 + 2/5 = 7/15 + 6/15 = 13/15



7/12 * 4/5 + 1/3 / (5/6) = 0.866666667



To solve this expression, you should follow the order of operations (PEMDAS/BODMAS), which stands for Parentheses/Brackets, Exponents/Orders (i.e., powers and square roots, etc.), Multiplication and Division (left-to-right), and Addition and Subtraction (left-to-right). In this case, there are no parentheses or exponents, so you'll perform multiplication and division from left to right and then addition and subtraction from left to right:
First, multiply the fractions:
(7/12) * (4/5) = (7 * 4) / (12 * 5) = 28/60
Next, simplify the fraction (28/60) by dividing both the numerator and denominator by their greatest common divisor (which is 4):
(28/4) / (60/4) = 7/15
Now, divide the fractions:
(1/3) / (5/6) = (1/3) * (6/5)
Multiply the fractions:
(1/3) * (6/5) = (1 * 6) / (3 * 5) = 6/15
Simplify the fraction (6/15) by dividing both the numerator and denominator by their greatest common divisor (which is 3):
(6/3) / (15/3) = 2/5
Finally, add the two results together:
7/15 + 2/5
To add these fractions, you need to find a common denominator, which is 15 in this case:
(7/15) + (2/5)
To have a common denominator of 15, you can rewrite the second fraction with a denominator of 15:
(7/15) + (6/15)
Now that the denominators are the same, you can add the numerators:
(7/15) + (6/15) = (7 + 6)/15 = 13/15
So, the final result is 13/15.


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