Datrys 100-2*300/958

$$100-2 \times \frac{ 300 }{ 958 }$$

Enrhifo

$$\frac{47600}{479}\approx 99.373695198$$

Camau Ateb

Lleihau'r ffracsiwn \frac{300}{958} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$100-2\times \frac{150}{479}$$

Mynegwch 2\times \frac{150}{479} fel ffracsiwn unigol.

$$100-\frac{2\times 150}{479}$$

Lluosi 2 a 150 i gael 300.

$$100-\frac{300}{479}$$

Troswch y rhif degol 100 i’r ffracsiwn \frac{47900}{479}.

$$\frac{47900}{479}-\frac{300}{479}$$

Gan fod gan \frac{47900}{479} a \frac{300}{479} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{47900-300}{479}$$

Tynnu 300 o 47900 i gael 47600.

$$\frac{47600}{479}$$

Ffactor

$$\frac{2 ^ {4} \cdot 5 ^ {2} \cdot 7 \cdot 17}{479} = 99\frac{179}{479} = 99.37369519832986$$