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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{2}{7}-\frac{1}{2}\times \frac{2}{7}-\left(\frac{1}{2}-\frac{3}{4}\right)
Whakahekea te hautanga \frac{4}{14} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
\frac{2}{7}-\frac{1\times 2}{2\times 7}-\left(\frac{1}{2}-\frac{3}{4}\right)
Me whakarea te \frac{1}{2} ki te \frac{2}{7} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
\frac{2}{7}-\frac{1}{7}-\left(\frac{1}{2}-\frac{3}{4}\right)
Me whakakore tahi te 2 i te taurunga me te tauraro.
\frac{2-1}{7}-\left(\frac{1}{2}-\frac{3}{4}\right)
Tā te mea he rite te tauraro o \frac{2}{7} me \frac{1}{7}, me tango rāua mā te tango i ō raua taurunga.
\frac{1}{7}-\left(\frac{1}{2}-\frac{3}{4}\right)
Tangohia te 1 i te 2, ka 1.
\frac{1}{7}-\left(\frac{2}{4}-\frac{3}{4}\right)
Ko te maha noa iti rawa atu o 2 me 4 ko 4. Me tahuri \frac{1}{2} me \frac{3}{4} ki te hautau me te tautūnga 4.
\frac{1}{7}-\frac{2-3}{4}
Tā te mea he rite te tauraro o \frac{2}{4} me \frac{3}{4}, me tango rāua mā te tango i ō raua taurunga.
\frac{1}{7}-\left(-\frac{1}{4}\right)
Tangohia te 3 i te 2, ka -1.
\frac{1}{7}+\frac{1}{4}
Ko te tauaro o -\frac{1}{4} ko \frac{1}{4}.
\frac{4}{28}+\frac{7}{28}
Ko te maha noa iti rawa atu o 7 me 4 ko 28. Me tahuri \frac{1}{7} me \frac{1}{4} ki te hautau me te tautūnga 28.
\frac{4+7}{28}
Tā te mea he rite te tauraro o \frac{4}{28} me \frac{7}{28}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
\frac{11}{28}
Tāpirihia te 4 ki te 7, ka 11.