Question

7/18:21/40=помогите пжжжж

Answer 1

Ответ:

$\frac{20}{27}$

Пошаговое объяснение:

$\frac{7}{18} \div \frac{21}{40} = \frac{7}{18} \times \frac{40}{21} = \frac{1}{9} \times \frac{20}{3} = \frac{20}{27}$

Answer 2

To solve the equation 7/18:21/40, we need to follow the order of operations, which is commonly known as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction).

Let's break down the equation step by step:

1. First, we need to perform the division operation 7/18. This gives us the result of 0.3888888888888889. 2. Next, we need to perform the division operation 21/40. This gives us the result of 0.525.

Now, we have the two results: 0.3888888888888889 and 0.525.

Since there are no parentheses, exponents, or addition/subtraction operations in the equation, we can simply divide the two results to get the final answer.

The result of 7/18 divided by 21/40 is approximately 0.7399999999999999.

Please note that the result has been rounded to 15 decimal places for simplicity.

I hope this helps! Let me know if you have any further questions.