36 black keys on a piano 35 Black Keys on a Piano. In reality, there are 36 black keys and 52 white keys, to total 88 keys on a piano.
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There are 36 black keys, 52 white keys; 88 keys in total.
So the fraction in the number of black piano keys is 36/88. Simplify: 9/22.
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The standard modern piano has 36 black keys and 52 white keys.
The same is true for full size keyboards. The piano is the most
popular solo instrument in the world.