25+16

To write 25 as a fraction with a common denominator, multiply by 66.

25⋅66+16

To write 16 as a fraction with a common denominator, multiply by 55.

25⋅66+16⋅55

Multiply 25 and 66.

2⋅65⋅6+16⋅55

Multiply 5 by 6.

2⋅630+16⋅55

Multiply 16 and 55.

2⋅630+56⋅5

Multiply 6 by 5.

2⋅630+530

2⋅630+530

Combine the numerators over the common denominator.

2⋅6+530

Multiply 2 by 6.

12+530

Add 12 and 5.

1730

1730

The approximate value of 25+16 found by front end estimation.

25+16≈1730

Estimate 2/5+1/6