15-620

Factor 2 out of 6.

15-2(3)20

Cancel the common factors.

Factor 2 out of 20.

15-2⋅32⋅10

Cancel the common factor.

15-2⋅32⋅10

Rewrite the expression.

15-310

15-310

15-310

To write 15 as a fraction with a common denominator, multiply by 22.

15⋅22-310

Multiply 15 and 22.

25⋅2-310

Multiply 5 by 2.

210-310

210-310

Combine the numerators over the common denominator.

2-310

Subtract 3 from 2.

-110

Move the negative in front of the fraction.

-110

The result can be shown in multiple forms.

Exact Form:

-110

Decimal Form:

-0.1

Evaluate 1/5-6/20