Question

(1/6а+6,5)-(2 7/9а+3 1/3)​

Answer 1

Ответ:

$\frac{19}{6} - \frac{47}{18} a$

Answer 2

To subtract the expressions (1/6a + 6.5) and (2 7/9a + 3 1/3), you'll need to find a common denominator for the fractions. In this case, the common denominator is 6, as it's the least common multiple of 6 and 9.

Here's how you can perform the subtraction:

(1/6a + 6.5) - (2 7/9a + 3 1/3)

First, convert 2 into a fraction with a denominator of 6:

2 = 12/6

Now, rewrite the expression:

(1/6a + 6.5) - (12/6 7/9a + 3 1/3)

Next, find a common denominator, which is 6:

(1/6a + 6.5) - (12/6 7/9a + 3 2/6)

Now, you can subtract the fractions:

1/6a - 7/9a is a common denominator, so combine these fractions:

(3/18a - 14/18a)

Now, subtract the whole numbers:

6.5 - 3 is a common denominator, so combine these numbers:

(3.5 - 3)

Now, you have:

(3/18a - 14/18a) - (0.5)

Combine the fractions:

(-11/18a - 0.5)

So, the simplified result of the expression is:

-11/18a - 0.5