Datrys 5.49+13.99+3.99+2.79+13%

$$5.49+13.99+3.99+2.79+13 \%$$

Enrhifo

$$26.39$$

Camau Ateb

Adio 5.49 a 13.99 i gael 19.48.

$$19.48+3.99+2.79+\frac{13}{100}$$

Adio 19.48 a 3.99 i gael 23.47.

$$23.47+2.79+\frac{13}{100}$$

Adio 23.47 a 2.79 i gael 26.26.

$$26.26+\frac{13}{100}$$

Troswch y rhif degol 26.26 i’r ffracsiwn \frac{2626}{100}. Lleihau'r ffracsiwn \frac{2626}{100} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\frac{1313}{50}+\frac{13}{100}$$

Lluosrif lleiaf cyffredin 50 a 100 yw 100. Troswch \frac{1313}{50} a \frac{13}{100} yn ffracsiynau gyda’r enwadur 100.

$$\frac{2626}{100}+\frac{13}{100}$$

Gan fod gan \frac{2626}{100} a \frac{13}{100} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{2626+13}{100}$$

Adio 2626 a 13 i gael 2639.

$$\frac{2639}{100}$$

Ffactor

$$\frac{7 \cdot 13 \cdot 29}{2 ^ {2} \cdot 5 ^ {2}} = 26\frac{39}{100} = 26.39$$