18÷15-7÷10-5÷6

Rewrite the division as a fraction.

1815-7÷10-5÷6

Cancel the common factor of 18 and 15.

Factor 3 out of 18.

3(6)15-7÷10-5÷6

Cancel the common factors.

Factor 3 out of 15.

3⋅63⋅5-7÷10-5÷6

Cancel the common factor.

3⋅63⋅5-7÷10-5÷6

Rewrite the expression.

65-7÷10-5÷6

65-7÷10-5÷6

65-7÷10-5÷6

Rewrite the division as a fraction.

65-710-5÷6

Rewrite the division as a fraction.

65-710-56

65-710-56

To write 65 as a fraction with a common denominator, multiply by 22.

65⋅22-710-56

Multiply 65 and 22.

6⋅25⋅2-710-56

Multiply 5 by 2.

6⋅210-710-56

6⋅210-710-56

Combine the numerators over the common denominator.

6⋅2-710-56

Multiply 6 by 2.

12-710-56

Subtract 7 from 12.

510-56

510-56

Factor 5 out of 5.

5(1)10-56

Cancel the common factors.

Factor 5 out of 10.

5⋅15⋅2-56

Cancel the common factor.

5⋅15⋅2-56

Rewrite the expression.

12-56

12-56

12-56

To write 12 as a fraction with a common denominator, multiply by 33.

12⋅33-56

Multiply 12 and 33.

32⋅3-56

Multiply 2 by 3.

36-56

36-56

Combine the numerators over the common denominator.

3-56

Subtract 5 from 3.

-26

Factor 2 out of -2.

2(-1)6

Cancel the common factors.

Factor 2 out of 6.

2⋅-12⋅3

Cancel the common factor.

2⋅-12⋅3

Rewrite the expression.

-13

-13

-13

Move the negative in front of the fraction.

-13

The result can be shown in multiple forms.

Exact Form:

-13

Decimal Form:

-0.3‾

Evaluate 18÷15-7÷10-5÷6