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Whakaoti mō f
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

f=\frac{3}{4}-\frac{5}{12}
Tangohia te \frac{5}{12} mai i ngā taha e rua.
f=\frac{9}{12}-\frac{5}{12}
Ko te maha noa iti rawa atu o 4 me 12 ko 12. Me tahuri \frac{3}{4} me \frac{5}{12} ki te hautau me te tautūnga 12.
f=\frac{9-5}{12}
Tā te mea he rite te tauraro o \frac{9}{12} me \frac{5}{12}, me tango rāua mā te tango i ō raua taurunga.
f=\frac{4}{12}
Tangohia te 5 i te 9, ka 4.
f=\frac{1}{3}
Whakahekea te hautanga \frac{4}{12} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.