Question

Как решить пример с дробями (4,4 - 3 13/20 ) + 2 10/21

Answer 1

(4,4 - 3 13/20) + 2 10/21 = (44/10 - 73/20) + 52/21 = (88/20 - 73/20) + 52/21 =
15/20 + 52/21 = 3/4 + 52/21 = 63/84 + 208/84 = 271/84 = 3 19/84

Answer 2

Solving the Fraction Problem

To solve the given expression with fractions (4 4/5 - 3 13/20) + 2 10/21, we can follow these steps:

1. Convert the mixed numbers to improper fractions. 2. Perform the subtraction operation. 3. Add the result to the second mixed number.

Let's proceed with the solution.

Step 1: Convert Mixed Numbers to Improper Fractions

The first mixed number 4 4/5 can be converted to an improper fraction as follows: - 4 4/5 = (4 * 5 + 4)/5 = 24/5

The second mixed number 3 13/20 can be converted to an improper fraction as follows: - 3 13/20 = (3 * 20 + 13)/20 = 73/20

The third mixed number 2 10/21 can be converted to an improper fraction as follows: - 2 10/21 = (2 * 21 + 10)/21 = 52/21

Step 2: Perform Subtraction

Now, we can perform the subtraction operation: - 24/5 - 73/20 = (24/5) - (73/20)

Step 3: Add the Result to the Third Mixed Number

Finally, we add the result of the subtraction to the third mixed number: - (24/5) - (73/20) + 52/21

Let's calculate the result.

Result Calculation

The result of the expression can be calculated as follows: - (24/5) - (73/20) + 52/21

I will now calculate the result.