When dividing by a percentage or decimal fraction in mental math, convert the operation: dividing by 0.1 (or 1/10) is equivalent to multiplying by 10, which simplifies calculation.

definitionpending

Speaker

Matt

Evidence Quote

when you divide by a fraction you flip it and you multiply by the denominator

Source

Guy with whiteboard explains McKinsey caseMatt Huang
Created: 8/13/2026, 7:47:52 AM

My Notes

Loading notes...