# Evaluate 18÷15-7÷10-5÷6 18÷15-7÷10-5÷6
Simplify each term.
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
Write each expression with a common denominator of 10, by multiplying each by an appropriate factor of 1.
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
Simplify the numerator.
Multiply 6 by 2.
12-710-56
Subtract 7 from 12.
510-56
510-56
Cancel the common factor of 5 and 10.
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
Write each expression with a common denominator of 6, by multiplying each by an appropriate factor of 1.
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
Cancel the common factor of -2 and 6.
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

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