13+19-127-181

To write 13 as a fraction with a common denominator, multiply by 33.

13⋅33+19-127-181

Multiply 13 and 33.

33⋅3+19-127-181

Multiply 3 by 3.

39+19-127-181

39+19-127-181

Combine the numerators over the common denominator.

3+19-127-181

Add 3 and 1.

49-127-181

To write 49 as a fraction with a common denominator, multiply by 33.

49⋅33-127-181

Multiply 49 and 33.

4⋅39⋅3-127-181

Multiply 9 by 3.

4⋅327-127-181

4⋅327-127-181

Combine the numerators over the common denominator.

4⋅3-127-181

Multiply 4 by 3.

12-127-181

Subtract 1 from 12.

1127-181

1127-181

To write 1127 as a fraction with a common denominator, multiply by 33.

1127⋅33-181

Multiply 1127 and 33.

11⋅327⋅3-181

Multiply 27 by 3.

11⋅381-181

11⋅381-181

Combine the numerators over the common denominator.

11⋅3-181

Multiply 11 by 3.

33-181

Subtract 1 from 33.

3281

3281

The result can be shown in multiple forms.

Exact Form:

3281

Decimal Form:

0.39506172…

Evaluate 1/3+1/9-1/27-1/81