Inductance is has the same calculations as resistance, but a different style. This is what it looks like:
Series circuit:
Lt = L1+L2+...Ln
Parallel circuit:
Lt= 1 + 1 +... 1
L1 L2 Ln
Series circuit:
Lt = L1+L2+...Ln
Parallel circuit:
Lt= 1 + 1 +... 1
L1 L2 Ln