Whakaoti i te 144*(1/4-5/12)

$$144 \times ( \frac{ 1 }{ 4 } - \frac{ 5 }{ 12 } )$$

Aromātai

$$-24$$

Ngā Upane Otinga

Ko te maha noa iti rawa atu o 4 me 12 ko 12. Me tahuri \frac{1}{4} me \frac{5}{12} ki te hautau me te tautūnga 12.

$$144\left(\frac{3}{12}-\frac{5}{12}\right)$$

Tā te mea he rite te tauraro o \frac{3}{12} me \frac{5}{12}, me tango rāua mā te tango i ō raua taurunga.

$$144\times \frac{3-5}{12}$$

Tangohia te 5 i te 3, ka -2.

$$144\times \frac{-2}{12}$$

Whakahekea te hautanga \frac{-2}{12} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.

$$144\left(-\frac{1}{6}\right)$$

Tuhia te 144\left(-\frac{1}{6}\right) hei hautanga kotahi.

$$\frac{144\left(-1\right)}{6}$$

Whakareatia te 144 ki te -1, ka -144.

$$\frac{-144}{6}$$

Whakawehea te -144 ki te 6, kia riro ko -24.

$$-24$$

Tauwehe

$$-24$$