Question

55 х 7/12 - 55 х 6/11​

Answer 1

Ответ:

Пошаговое объяснение:

55 х 7/12 - 55 х 6/11​=55(7\12-6\11)=55(77\132-72\132)=55*5\132=275\132

Answer 2

$\displaystyle \tt 55\cdot\frac{7}{12}-55\cdot\frac{6}{11}=55\cdot\bigg(\frac{7}{12}-\frac{6}{11}\bigg)=55\cdot\bigg(\frac{7\cdot11}{132}-\frac{12\cdot6}{132}\bigg)=\\\\\\ \displaystyle \tt =55\cdot\bigg(\frac{77}{132}-\frac{72}{132}\bigg)=55\cdot\frac{5}{132}=5\cdot\frac{5}{12}=\frac{25}{12}=\bold{2\frac{1}{12}}$

Answer 3

To solve the expression, follow these steps:

1. Calculate 55 × 7/12
2. Calculate 55 × 6/11
3. Subtract the result from step 2 from the result of step 1.

Let's go through the calculations:

1. 55 × 7/12: = 55 × (7/12) = 385/12

2. 55 × 6/11: = 55 × (6/11) = 330/11

3. Subtract the results: = (385/12) - (330/11)

To combine the fractions, find a common denominator. In this case, the least common multiple of 12 and 11 is 132.

Converting both fractions to have a denominator of 132:

1. (385/12) * (11/11) = 4235/132
2. (330/11) * (12/12) = 3960/132

Now, subtract the two fractions:

= (4235/132) - (3960/132) = (4235 - 3960) / 132 = 275 / 132

The result in its simplest form is 275/132.