Whakaoti i te 412/9-671/100+38/9-45/100

$$\frac{ 412 }{ 9 } - \frac{ 671 }{ 100 } + \frac{ 38 }{ 9 } - \frac{ 45 }{ 100 }$$

Aromātai

$$\frac{1071}{25}=42.84$$

Ngā Upane Otinga

Ko te maha noa iti rawa atu o 9 me 100 ko 900. Me tahuri \frac{412}{9} me \frac{671}{100} ki te hautau me te tautūnga 900.

$$\frac{41200}{900}-\frac{6039}{900}+\frac{38}{9}-\frac{45}{100}$$

Tā te mea he rite te tauraro o \frac{41200}{900} me \frac{6039}{900}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{41200-6039}{900}+\frac{38}{9}-\frac{45}{100}$$

Tangohia te 6039 i te 41200, ka 35161.

$$\frac{35161}{900}+\frac{38}{9}-\frac{45}{100}$$

Ko te maha noa iti rawa atu o 900 me 9 ko 900. Me tahuri \frac{35161}{900} me \frac{38}{9} ki te hautau me te tautūnga 900.

$$\frac{35161}{900}+\frac{3800}{900}-\frac{45}{100}$$

Tā te mea he rite te tauraro o \frac{35161}{900} me \frac{3800}{900}, me tāpiri rāua mā te tāpiri i ō raua taurunga.

$$\frac{35161+3800}{900}-\frac{45}{100}$$

Tāpirihia te 35161 ki te 3800, ka 38961.

$$\frac{38961}{900}-\frac{45}{100}$$

Whakahekea te hautanga \frac{38961}{900} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 9.

$$\frac{4329}{100}-\frac{45}{100}$$

Tā te mea he rite te tauraro o \frac{4329}{100} me \frac{45}{100}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{4329-45}{100}$$

Tangohia te 45 i te 4329, ka 4284.

$$\frac{4284}{100}$$

Whakahekea te hautanga \frac{4284}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.

$$\frac{1071}{25}$$

Tauwehe

$$\frac{3 ^ {2} \cdot 7 \cdot 17}{5 ^ {2}} = 42\frac{21}{25} = 42.84$$