Datrys =75*60-480*08*18/75*4119

$$= \frac { 75 * 60 - 480 * 08 * 18 } { 75 * 4119 }$$

Enrhifo

$$\frac{20}{1373}\approx 0.014566642$$

Camau Ateb

Lluosi 75 a 60 i gael 4500.

$$\frac{4500-480\times 0\times 8\times 18}{75\times 4119}$$

Lluosi 480 a 0 i gael 0.

$$\frac{4500-0\times 8\times 18}{75\times 4119}$$

Lluosi 0 a 8 i gael 0.

$$\frac{4500-0\times 18}{75\times 4119}$$

Lluosi 0 a 18 i gael 0.

$$\frac{4500-0}{75\times 4119}$$

Tynnu 0 o 4500 i gael 4500.

$$\frac{4500}{75\times 4119}$$

Lluosi 75 a 4119 i gael 308925.

$$\frac{4500}{308925}$$

Lleihau'r ffracsiwn \frac{4500}{308925} i'r graddau lleiaf posib drwy dynnu a chanslo allan 225.

$$\frac{20}{1373}$$

Ffactor

$$\frac{2 ^ {2} \cdot 5}{1373} = 0.014566642388929352$$