((.5 \times 9272)+(.8 \times 2674)) \div (2674+9272
Enrhifo
\frac{5646}{9955}\approx 0.567152185
Ffactor
\frac{2 \cdot 3 \cdot 941}{5 \cdot 11 \cdot 181} = 0.5671521848317428
Rhannu
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\frac{4636+0.8\times 2674}{2674+9272}
Lluosi 0.5 a 9272 i gael 4636.
\frac{4636+2139.2}{2674+9272}
Lluosi 0.8 a 2674 i gael 2139.2.
\frac{6775.2}{2674+9272}
Adio 4636 a 2139.2 i gael 6775.2.
\frac{6775.2}{11946}
Adio 2674 a 9272 i gael 11946.
\frac{67752}{119460}
Ehangu \frac{6775.2}{11946} drwy luosi'r rhifiadur a'r enwadur gyda 10.
\frac{5646}{9955}
Lleihau'r ffracsiwn \frac{67752}{119460} i'r graddau lleiaf posib drwy dynnu a chanslo allan 12.
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