Whakaoti i te 19/38-7/80-11/90

$$\frac{ 19 }{ 38 } - \frac{ 7 }{ 80 } - \frac{ 11 }{ 90 }$$

Aromātai

$$\frac{209}{720}\approx 0.290277778$$

Ngā Upane Otinga

Whakahekea te hautanga \frac{19}{38} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 19.

$$\frac{1}{2}-\frac{7}{80}-\frac{11}{90}$$

Ko te maha noa iti rawa atu o 2 me 80 ko 80. Me tahuri \frac{1}{2} me \frac{7}{80} ki te hautau me te tautūnga 80.

$$\frac{40}{80}-\frac{7}{80}-\frac{11}{90}$$

Tā te mea he rite te tauraro o \frac{40}{80} me \frac{7}{80}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{40-7}{80}-\frac{11}{90}$$

Tangohia te 7 i te 40, ka 33.

$$\frac{33}{80}-\frac{11}{90}$$

Ko te maha noa iti rawa atu o 80 me 90 ko 720. Me tahuri \frac{33}{80} me \frac{11}{90} ki te hautau me te tautūnga 720.

$$\frac{297}{720}-\frac{88}{720}$$

Tā te mea he rite te tauraro o \frac{297}{720} me \frac{88}{720}, me tango rāua mā te tango i ō raua taurunga.

$$\frac{297-88}{720}$$

Tangohia te 88 i te 297, ka 209.

$$\frac{209}{720}$$

Tauwehe

$$\frac{11 \cdot 19}{2 ^ {4} \cdot 3 ^ {2} \cdot 5} = 0.2902777777777778$$