Datrys 71513/15+(-2134)+142/15+(-633/50)

$$715 \frac { 13 } { 15 } + ( - 2134 ) + 14 \frac { 2 } { 15 } + ( - 6 \frac { 33 } { 50 } )$$

Enrhifo

$$-\frac{70533}{50}=-1410.66$$

Camau Ateb

Lluosi 715 a 15 i gael 10725.

$$\frac{10725+13}{15}-2134+\frac{14\times 15+2}{15}-\frac{6\times 50+33}{50}$$

Adio 10725 a 13 i gael 10738.

$$\frac{10738}{15}-2134+\frac{14\times 15+2}{15}-\frac{6\times 50+33}{50}$$

Troswch y rhif degol 2134 i’r ffracsiwn \frac{32010}{15}.

$$\frac{10738}{15}-\frac{32010}{15}+\frac{14\times 15+2}{15}-\frac{6\times 50+33}{50}$$

Gan fod gan \frac{10738}{15} a \frac{32010}{15} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{10738-32010}{15}+\frac{14\times 15+2}{15}-\frac{6\times 50+33}{50}$$

Tynnu 32010 o 10738 i gael -21272.

$$-\frac{21272}{15}+\frac{14\times 15+2}{15}-\frac{6\times 50+33}{50}$$

Lluosi 14 a 15 i gael 210.

$$-\frac{21272}{15}+\frac{210+2}{15}-\frac{6\times 50+33}{50}$$

Adio 210 a 2 i gael 212.

$$-\frac{21272}{15}+\frac{212}{15}-\frac{6\times 50+33}{50}$$

Gan fod gan -\frac{21272}{15} a \frac{212}{15} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{-21272+212}{15}-\frac{6\times 50+33}{50}$$

Adio -21272 a 212 i gael -21060.

$$\frac{-21060}{15}-\frac{6\times 50+33}{50}$$

Rhannu -21060 â 15 i gael -1404.

$$-1404-\frac{6\times 50+33}{50}$$

Lluosi 6 a 50 i gael 300.

$$-1404-\frac{300+33}{50}$$

Adio 300 a 33 i gael 333.

$$-1404-\frac{333}{50}$$

Troswch y rhif degol -1404 i’r ffracsiwn -\frac{70200}{50}.

$$-\frac{70200}{50}-\frac{333}{50}$$

Gan fod gan -\frac{70200}{50} a \frac{333}{50} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{-70200-333}{50}$$

Tynnu 333 o -70200 i gael -70533.

$$-\frac{70533}{50}$$

Ffactor

$$-\frac{70533}{50} = -1410\frac{33}{50} = -1410.66$$