Question

-2 1/6+(-0,9)+3 1/15=

Answer 1

Ответ:

0

Пошаговое объяснение:
-2 1/6+(-0.9)+3 1/15=-2 10/60+(-54/60)+3 4/60=-3 4/60+3 4/60=0

Answer 2

To solve the given expression:

-2 1/6 + (-0.9) + 3 1/15

First, let's convert the mixed numbers into improper fractions:

-2 1/6 = -12/6 + 1/6 = -11/6 3 1/15 = 45/15 + 1/15 = 46/15

Now we can rewrite the expression:

-11/6 + (-0.9) + 46/15

To add fractions, we need a common denominator. The least common multiple (LCM) of 6 and 15 is 30. We'll convert all the fractions to have a denominator of 30:

-11/6 = -55/30 46/15 = 92/30

Now we can add the fractions:

-55/30 + (-0.9) + 92/30

To add fractions, we keep the denominator the same and add the numerators:

(-55 + 92)/30 + (-0.9) = 37/30 - 0.9

To subtract a decimal number, we need to convert it into a fraction. In this case, we can rewrite -0.9 as -9/10:

37/30 - 9/10

To subtract fractions, we need a common denominator. The LCM of 30 and 10 is 30. We'll convert the fractions to have a denominator of 30:

37/30 - 9/10 = (37/30) * (10/10) - (9/10) * (3/3) = 370/300 - 27/30

Now we can subtract the fractions:

370/300 - 27/30 = (370 - 27)/300 = 343/300

The result is 343/300.