67-12
To write 67 as a fraction with a common denominator, multiply by 22.
67⋅22-12
To write -12 as a fraction with a common denominator, multiply by 77.
67⋅22-12⋅77
Multiply 67 and 22.
6⋅27⋅2-12⋅77
Multiply 7 by 2.
6⋅214-12⋅77
Multiply 12 and 77.
6⋅214-72⋅7
Multiply 2 by 7.
6⋅214-714
6⋅214-714
Combine the numerators over the common denominator.
6⋅2-714
Multiply 6 by 2.
12-714
Subtract 7 from 12.
514
514
The result can be shown in multiple forms.
Exact Form:
514
Decimal Form:
0.3571428‾
Evaluate 6/7-1/2
