115-227+145

To write 115 as a fraction with a common denominator, multiply by 99.

115⋅99-227+145

To write -227 as a fraction with a common denominator, multiply by 55.

115⋅99-227⋅55+145

Multiply 115 and 99.

915⋅9-227⋅55+145

Multiply 15 by 9.

9135-227⋅55+145

Multiply 227 and 55.

9135-2⋅527⋅5+145

Multiply 27 by 5.

9135-2⋅5135+145

9135-2⋅5135+145

Combine the numerators over the common denominator.

9-2⋅5135+145

Multiply -2 by 5.

9-10135+145

Subtract 10 from 9.

-1135+145

-1135+145

Move the negative in front of the fraction.

-1135+145

To write 145 as a fraction with a common denominator, multiply by 33.

-1135+145⋅33

Multiply 145 and 33.

-1135+345⋅3

Multiply 45 by 3.

-1135+3135

-1135+3135

Combine the numerators over the common denominator.

-1+3135

Add -1 and 3.

2135

The result can be shown in multiple forms.

Exact Form:

2135

Decimal Form:

0.0148‾

Evaluate 1/15-2/27+1/45