Above, a 1934 plaque from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem. Discarded as trash in 2006. Now a Popeyes fast food restaurant on Google Maps.

Entry from May 09, 2020
“Sex is like math. Add the bed, subtract clothes, divide legs, and pray you don’t multiply”

"How is math like sex? First, you ADD a bed. Then, SUBTRACT the clothes. DIVIDE the legs and MULTIPLY!” was posted on the newsgroup rec.humor under the title “Old Math Joke” on July 12, 1995. “Sex is like math:  add the bed, subtract the clothes, divide the legs, and hope you don’t multiply” was posted on the newsgroup alt.sex.marketplace on February 25, 2005.

“Sex is a lot like math; You add the bed, subtract the clothes, divide the legs, and pray you don’t multiply” was posted on Twitter by Not Will Ferrell on July 24, 2012. The math/sex saying has been printed on many images. It is not known who told the joke first, or when.

“Sex is like math. I don’t get it” is a similar saying.

Old Math Joke
Keith Kim
7/12/95
How is math like sex?
Then, SUBTRACT the clothes.
DIVIDE the legs and MULTIPLY!

101 of the World’s Most Effective Pick-Up Lines
By Keith Allen and ‎Matthew Huijgen
Santa Barbara, CA: Gray Area Press
1997
Pg. 45:
67. How would you like to join me in some math? We’ll add you and me, subtract our clothes, divide your legs, and multiply!

How is math like sex?
Ray
2/17/97
Subtract the clothes
Divide the legs
then Multiply.

*~PUSH the LIMITs~*NO TABOOS~**~my PAIN 4 UR PLEASURE/please!!
NO Limits/Taboos
2/25/05
(...)
Sex is like math:  add the bed, subtract the clothes, divide the legs, and hope you don’t multiply.

Brandon
@chips99
RT @kp1990 My new favorite quote: “Sex is like math: you add the bed, subtract the clothes, divide the legs and pray you don’t multiply!”
7:30 PM · Feb 4, 2009·Twitter Web Client

singfortheatre
@singfortheatre
just found the greatest quote ever! “Sex is like math: you add the bed, subtract the clothes, divide the legs and pray you dont multiply!”
1:04 AM · Feb 6, 2009·Twitter Web Client

The FEMALE Wiz ♡♡
@iKillaaRozayy
@LILSMUG Sex is like math
You subtract the clothes
Divide the legs
And Pray to god
You don’t multiply
5:21 PM · Mar 13, 2009·Twitter Web Client

Not Will Ferrell
@itsWillyFerrell
Sex is a lot like math; You add the bed, subtract the clothes, divide the legs, and pray you don’t multiply.
6:53 PM · Jul 24, 2012·TweetDeck

Sex Facts Of Life
@SexFactsOfLife
Sex is a lot like math. You add the bed, subtract the clothes, divide the legs, and hope you don’t multiply.
12:04 AM · Nov 27, 2012·TweetDeck

Posted by u/pitchstrikes October 28, 2017
Sex is like math
You add the bed, subtract the clothes, divide the legs and pray you don’t multiply