15-56

To write 15 as a fraction with a common denominator, multiply by 66.

15⋅66-56

To write -56 as a fraction with a common denominator, multiply by 55.

15⋅66-56⋅55

Multiply 15 and 66.

65⋅6-56⋅55

Multiply 5 by 6.

630-56⋅55

Multiply 56 and 55.

630-5⋅56⋅5

Multiply 6 by 5.

630-5⋅530

630-5⋅530

Combine the numerators over the common denominator.

6-5⋅530

Multiply -5 by 5.

6-2530

Subtract 25 from 6.

-1930

-1930

Move the negative in front of the fraction.

-1930

The result can be shown in multiple forms.

Exact Form:

-1930

Decimal Form:

-0.63‾

Evaluate 1/5-5/6