13+25

To write 13 as a fraction with a common denominator, multiply by 55.

13⋅55+25

To write 25 as a fraction with a common denominator, multiply by 33.

13⋅55+25⋅33

Multiply 13 and 55.

53⋅5+25⋅33

Multiply 3 by 5.

515+25⋅33

Multiply 25 and 33.

515+2⋅35⋅3

Multiply 5 by 3.

515+2⋅315

515+2⋅315

Combine the numerators over the common denominator.

5+2⋅315

Multiply 2 by 3.

5+615

Add 5 and 6.

1115

1115

The result can be shown in multiple forms.

Exact Form:

1115

Decimal Form:

0.73‾

Add 1/3+2/5