How much is negative three and three quarters plus positive two and one third plus negative one twelfth?

How much is negative three and three quarters plus positive two and one third plus negative one twelfth?


Negative three and three quarters plus positive two and one third plus negative one twelfth
=-3 and 9 / 12 + 2 and 4 / 12-1 / 12
=-1 and 6 / 12
=-1 and 1 / 2