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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{27}{30}-\frac{10}{30}
Ko te maha noa iti rawa atu o 10 me 3 ko 30. Me tahuri \frac{9}{10} me \frac{1}{3} ki te hautau me te tautūnga 30.
\frac{27-10}{30}
Tā te mea he rite te tauraro o \frac{27}{30} me \frac{10}{30}, me tango rāua mā te tango i ō raua taurunga.
\frac{17}{30}
Tangohia te 10 i te 27, ka 17.