1113-812

A mixed number is an addition of its whole and fractional parts.

11+13-812

Add 11 and 13.

To write 11 as a fraction with a common denominator, multiply by 33.

11⋅33+13-812

Combine 11 and 33.

11⋅33+13-812

Combine the numerators over the common denominator.

11⋅3+13-812

Simplify the numerator.

Multiply 11 by 3.

33+13-812

Add 33 and 1.

343-812

343-812

343-812

343-812

A mixed number is an addition of its whole and fractional parts.

343-(8+12)

Add 8 and 12.

To write 8 as a fraction with a common denominator, multiply by 22.

343-(8⋅22+12)

Combine 8 and 22.

343-(8⋅22+12)

Combine the numerators over the common denominator.

343-8⋅2+12

Simplify the numerator.

Multiply 8 by 2.

343-16+12

Add 16 and 1.

343-172

343-172

343-172

343-172

To write 343 as a fraction with a common denominator, multiply by 22.

343⋅22-172

To write -172 as a fraction with a common denominator, multiply by 33.

343⋅22-172⋅33

Multiply 343 and 22.

34⋅23⋅2-172⋅33

Multiply 3 by 2.

34⋅26-172⋅33

Multiply 172 and 33.

34⋅26-17⋅32⋅3

Multiply 2 by 3.

34⋅26-17⋅36

34⋅26-17⋅36

Combine the numerators over the common denominator.

34⋅2-17⋅36

Multiply 34 by 2.

68-17⋅36

Multiply -17 by 3.

68-516

Subtract 51 from 68.

176

176

Factor 11 1/3-8 1/2