52/81:26/27

Interpret as the ratio (52/81) : (26/27).

Compute (52/81) ÷ (26/27) = (52/81) × (27/26) = (52×27)/(81×26).

Simplify: 52/26 = 2 and 27/81 = 1/3, so result = 2 × (1/3) = 2/3.

So the simplified ratio is 2:3 (or 2/3).