Question

Выполните действия 20 1/4*20 4/9

Answer 1

$20 \frac{1}{4}*20\frac{4}{9} =\frac{81}{4}*\frac{184}{9}=\frac{81*184}{4*9}=\frac{14904}{36}=414$

Answer 2

I can help you with math problems. To solve this problem, you need to convert the mixed numbers to improper fractions, then multiply them, then simplify the result. Here are the steps:

- Convert 20 1/4 to an improper fraction by multiplying 20 by 4 and adding 1, then putting the result over 4. This gives 81/4. - Convert 20 4/9 to an improper fraction by multiplying 20 by 9 and adding 4, then putting the result over 9. This gives 184/9. - Multiply 81/4 by 184/9 by multiplying the numerators and the denominators. This gives 14856/36. - Simplify 14856/36 by dividing both the numerator and the denominator by the greatest common factor, which is 12. This gives 1238/3. - Convert 1238/3 to a mixed number by dividing 1238 by 3 and putting the remainder over 3. This gives 412 2/3.

The final answer is 412 2/3. You can check your answer by using an online calculator. You can also learn more about how to add, subtract, multiply, and divide fractions from this website. I hope this helps.