Enrhifo
\frac{5757}{20}=287.85
Ffactor
\frac{3 \cdot 19 \cdot 101}{2 ^ {2} \cdot 5} = 287\frac{17}{20} = 287.85
Rhannu
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\frac{977}{20}-\frac{220}{20}+50\times 5
Troswch y rhif degol 11 i’r ffracsiwn \frac{220}{20}.
\frac{977-220}{20}+50\times 5
Gan fod gan \frac{977}{20} a \frac{220}{20} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{757}{20}+50\times 5
Tynnu 220 o 977 i gael 757.
\frac{757}{20}+250
Lluosi 50 a 5 i gael 250.
\frac{757}{20}+\frac{5000}{20}
Troswch y rhif degol 250 i’r ffracsiwn \frac{5000}{20}.
\frac{757+5000}{20}
Gan fod gan \frac{757}{20} a \frac{5000}{20} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{5757}{20}
Adio 757 a 5000 i gael 5757.
Enghreifftiau
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