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Tohaina

\frac{5}{6}m-\frac{5}{12}-\frac{7}{8}m=\frac{2}{3}
Tangohia te \frac{7}{8}m mai i ngā taha e rua.
-\frac{1}{24}m-\frac{5}{12}=\frac{2}{3}
Pahekotia te \frac{5}{6}m me -\frac{7}{8}m, ka -\frac{1}{24}m.
-\frac{1}{24}m=\frac{2}{3}+\frac{5}{12}
Me tāpiri te \frac{5}{12} ki ngā taha e rua.
-\frac{1}{24}m=\frac{8}{12}+\frac{5}{12}
Ko te maha noa iti rawa atu o 3 me 12 ko 12. Me tahuri \frac{2}{3} me \frac{5}{12} ki te hautau me te tautūnga 12.
-\frac{1}{24}m=\frac{8+5}{12}
Tā te mea he rite te tauraro o \frac{8}{12} me \frac{5}{12}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
-\frac{1}{24}m=\frac{13}{12}
Tāpirihia te 8 ki te 5, ka 13.
m=\frac{13}{12}\left(-24\right)
Me whakarea ngā taha e rua ki te -24, te tau utu o -\frac{1}{24}.
m=\frac{13\left(-24\right)}{12}
Tuhia te \frac{13}{12}\left(-24\right) hei hautanga kotahi.
m=\frac{-312}{12}
Whakareatia te 13 ki te -24, ka -312.
m=-26
Whakawehea te -312 ki te 12, kia riro ko -26.