Datrys 72/9*12/11

$$7 \frac { 2 } { 9 } \cdot 1 \frac { 2 } { 11 }$$

Enrhifo

$$\frac{845}{99}\approx 8.535353535$$

Camau Ateb

Lluosi 7 a 9 i gael 63.

$$\frac{63+2}{9}\times \frac{1\times 11+2}{11}$$

Adio 63 a 2 i gael 65.

$$\frac{65}{9}\times \frac{1\times 11+2}{11}$$

Lluosi 1 a 11 i gael 11.

$$\frac{65}{9}\times \frac{11+2}{11}$$

Adio 11 a 2 i gael 13.

$$\frac{65}{9}\times \frac{13}{11}$$

Lluoswch \frac{65}{9} â \frac{13}{11} drwy luosi'r rhifiadur â’r rhifiadur a'r enwadur â’r enwadur.

$$\frac{65\times 13}{9\times 11}$$

Gwnewch y gwaith lluosi yn y ffracsiwn \frac{65\times 13}{9\times 11}.

$$\frac{845}{99}$$

Ffactor

$$\frac{5 \cdot 13 ^ {2}}{3 ^ {2} \cdot 11} = 8\frac{53}{99} = 8.535353535353535$$