Did anyone include "Other" time when they were the Aircraft Commander and signing for the jet? And if so did it come up in your interview?

I was a prior FAIP who went straight to the left seat of a 707 and spent the majority of my flight time deployed as an Aircraft Commander so I totalled my Primary and Secondary time and multiplied that by 90% to calculate my PIC time. Whatever was left over I logged as SIC. I'm wondering if it would be ok to multiply my "Other" time by 90% and include that towards my PIC and Total Time? I know the remaining 10% of "Other" time isn't worth anything and will not be included, but I'd like to know if this would be an accepted technique considering airlines care most about who signed for the jet.