<prompt> Kuhesabu bidhaafrac19982 - 1996219982 - 19952 dotsm 19982 - 0219972 - 1996219972 - 19952 dotsm 19972 - 02.  <response>: Kutumia tofauti ya mraba, tunapataanzaalignfrac19982 - 1996219982 - 19952 dotsm 19982 - 0219972 - 1996219972 - 1995 2 dotsm 19972 - 02 frac1998 19961998 - 19961998 19951998 - 1995 dotsm 1998 01998 - 01997 19961996 -197 1997 19951997 - 1995 dotsm 1997 - 01997 0 frac3994 cdot 2 cdot 3996 cdot 3 dotsm 1998 cdot 19983993 cdot 1 cdot 3992 cdot 2 dotsm 1997 cdot 1997.endalignKatika nambari, tunapata kila nambari kutoka 2 hadi 3994 kama kipengele, huku 1998 ikionekana mara mbili. Katika dhehebu, tunapata kila nambari kutoka 1 hadi 3993 kama sababu, na 1997 ikionekana mara mbili. Kwa hivyo, sehemu hurahisishafrac1998 cdot 39941997 3996. 