• nul9o9@lemmy.world
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      1 month ago

      The statement is too broad. You can only multiply the numerator and denominator to keep it the same if I remember correctly.

      1/2 + 1/4 = x
      (1×2)/(2x2)  + 1/4 = x
      2/4 + 1/4 = x
      3/4 = x