Datrys 45+44175+15*78/25

$$45+44 \frac{ 175+15 \times 78 }{ 25 }$$

Enrhifo

$$\frac{12061}{5}=2412.2$$

Camau Ateb

Lluosi 15 a 78 i gael 1170.

$$45+44\times \frac{175+1170}{25}$$

Adio 175 a 1170 i gael 1345.

$$45+44\times \frac{1345}{25}$$

Lleihau'r ffracsiwn \frac{1345}{25} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5.

$$45+44\times \frac{269}{5}$$

Mynegwch 44\times \frac{269}{5} fel ffracsiwn unigol.

$$45+\frac{44\times 269}{5}$$

Lluosi 44 a 269 i gael 11836.

$$45+\frac{11836}{5}$$

Troswch y rhif degol 45 i’r ffracsiwn \frac{225}{5}.

$$\frac{225}{5}+\frac{11836}{5}$$

Gan fod gan \frac{225}{5} a \frac{11836}{5} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{225+11836}{5}$$

Adio 225 a 11836 i gael 12061.

$$\frac{12061}{5}$$

Ffactor

$$\frac{7 \cdot 1723}{5} = 2412\frac{1}{5} = 2412.2$$