Question

Вычислите 18/7 * (4/9 + 15/18) Помогите!СОС!!! Если что то это дроби

Answer 1

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Answer 2

Calculating Fractions

To calculate the expression 18/7 * (4/9 + 15/18), we can follow these steps:

1. First, simplify the expression inside the parentheses. 2. Then, perform the multiplication.

Let's start by simplifying the expression inside the parentheses.

Simplifying the Expression Inside the Parentheses

To simplify the expression 4/9 + 15/18, we need to find a common denominator for the two fractions. The common denominator for 9 and 18 is 18.

Converting 4/9 to have a denominator of 18: - 4/9 = 8/18

Now, the expression becomes: - 8/18 + 15/18

Adding the fractions: - 8/18 + 15/18 = 23/18

So, the expression inside the parentheses simplifies to 23/18.

Performing the Multiplication

Now that we have simplified the expression inside the parentheses to 23/18, we can proceed with the multiplication:

18/7 * 23/18

To multiply these fractions, we simply multiply the numerators together and the denominators together:

- Numerator: 18 * 23 = 414 - Denominator: 7 * 18 = 126

So, 18/7 * (4/9 + 15/18) simplifies to 414/126.

Final Result

The final result of the expression 18/7 * (4/9 + 15/18) is 414/126.