<prompt> Ikiwa a, b, na c ni nambari kamili zinazotosheleza a frac 1b frac227, b frac 1c 8, na abc 21, kisha utafute c frac 1a. Eleza jibu lako kama sehemu ya kawaida.  <response>: Acha x c frac 1a. Kuzidisha ili kuchukua fursa ya ulinganifu, anzaalignfrac 227 cdot 8 cdot x kushotoa frac 1bkuliakushotob frac 1ckulia kushotoc frac 1akulia abc a b c frac 1a frac 1b frac 1c frac1abc 21 kushotoa frac 1bkulia kushotob frac 1c kulia kushotoc frac 1akulia frac121 21 frac227 8 x frac 121 frac29 cdot 21 22 cdot 3 121 xendalign Kwa hivyo, frac22 cdot 8 cdot 321 x frac29 cdot 21 22 cdot 3 121 x Longrightarrow x frac29 cdot 21 22 cdot 3 122 cdot 8 cdot 3 - 21 frac676507 frac 43. 