To solve this expression, we first need to convert the mixed numbers to improper fractions.
2 18/31 = 2 + 18/31 = 62/315/7 = 5/7
Now we can substitute the improper fractions into the expression:
(62/31)*12.4 - 2.75:4 - 5/7
Now let's simplify each operation:
First, multiply 62/31 by 12.4:62/31 12.4 = (6212.4) / 31 = 768.8 / 31
Next, divide 2.75 by 4:2.75/4 = 0.6875
Now our expression looks like this:768.8/31 - 0.6875 - 5/7
To subtract the fractions, we need to find a common denominator. The common denominator between 31, 7, and 1 is 217.
23.374 % (rounded to three decimal places)
Therefore, the result of the expression 2 18/31*12.4-2.75:4 5/7 is approximately 23.374.
To solve this expression, we first need to convert the mixed numbers to improper fractions.
2 18/31 = 2 + 18/31 = 62/31
5/7 = 5/7
Now we can substitute the improper fractions into the expression:
(62/31)*12.4 - 2.75:4 - 5/7
Now let's simplify each operation:
First, multiply 62/31 by 12.4:
62/31 12.4 = (6212.4) / 31 = 768.8 / 31
Next, divide 2.75 by 4:
2.75/4 = 0.6875
Now our expression looks like this:
768.8/31 - 0.6875 - 5/7
To subtract the fractions, we need to find a common denominator. The common denominator between 31, 7, and 1 is 217.
768.87/217 - 0.6875217/217 - 5*31/2175371.6/217 - 149.1625/217 - 155/217(5371.6 - 149.1625 - 155) / 2175067.4375 / 21723.374 % (rounded to three decimal places)
Therefore, the result of the expression 2 18/31*12.4-2.75:4 5/7 is approximately 23.374.