Question

77/100*4/9-4/9*2,83=

Answer 1

$\frac{77}{100} \times \frac{4}{9} - \frac{4}{9} \times 2.83 \\ \frac{77}{25} \times \frac{1}{9} - \frac{4}{9} \times \frac{283}{100} \\ \frac{77}{225} - \frac{1}{9} \times \frac{283}{25} \\ \frac{77}{225} - \frac{283}{225} \\ = - \frac{206}{225}$

ответ : -206/225

Answer 2

Let's break down the expression step by step:

1. 77/100 * 4/9 = (77 * 4) / (100 * 9) = 308 / 900

2. 4/9 * 2.83 = (4 * 2.83) / 9 = 11.32 / 9

Now, you can subtract the second result from the first:

(308/900) - (11.32/9)

To subtract these fractions, you need a common denominator, which in this case is 900. So, you need to convert the second fraction to have a denominator of 900:

(308/900) - (11.32/9) * (100/100) = (308/900) - (1132/900)

Now, you can subtract them:

(308/900) - (1132/900) = (308 - 1132) / 900 = -824 / 900

To simplify the fraction, you can divide both the numerator and denominator by their greatest common divisor, which is 4:

(-824/4) / (900/4) = -206 / 225

So, the result is -206/225.