Enter a problem...
Basic Math Examples
17-117−1
Step 1
To write -1 as a fraction with a common denominator, multiply by 77.
17-1⋅77
Step 2
Combine -1 and 77.
17+-1⋅77
Step 3
Combine the numerators over the common denominator.
1-1⋅77
Step 4
Step 4.1
Multiply -1 by 7.
1-77
Step 4.2
Subtract 7 from 1.
-67
-67
Step 5
Move the negative in front of the fraction.
-67