Sign up to the M.E.N.'s Manchester Family newsletter for all the latest from school closures to ways to entertain the kids Many struggle with the concept of percentages - but now social media site TikTok is laying claim to a "genius" hack that apparently no one knew.
A maths expert has shared her fraction trick claiming "99 per cent of people do not know" - with the aim of making percentages that little bit easier to figure out.
And the video swiftly went viral racking up a staggering 3m views, as reported by Birmingham Live. Mechanical engineer @PinkPencilMath explains it all best in her TikTok video.
The hack helps with understanding percentages - but Pink Pencil also correctly points out it can be used in everyday life, from finances
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