Question

3 1/2 - 1 5/12==== сррчно

Answer 1

3 1/2 - 1 5/12= 3   6/12 - 1  5/12 = 2   1/12

Answer 2

3 1/2-1 5/12=7/2-17/12=(42-17)/12=25/12=2 1/12