Enrhifo
\frac{989}{84}\approx 11.773809524
Ffactor
\frac{23 \cdot 43}{2 ^ {2} \cdot 3 \cdot 7} = 11\frac{65}{84} = 11.773809523809524
Rhannu
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1\times 5+2\times \frac{16}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Rhannu 30 â 6 i gael 5.
5+2\times \frac{16}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Lluosi 1 a 5 i gael 5.
5+\frac{2\times 16}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Mynegwch 2\times \frac{16}{21} fel ffracsiwn unigol.
5+\frac{32}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Lluosi 2 a 16 i gael 32.
\frac{105}{21}+\frac{32}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Troswch y rhif degol 5 i’r ffracsiwn \frac{105}{21}.
\frac{105+32}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Gan fod gan \frac{105}{21} a \frac{32}{21} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{137}{21}+3\times \frac{10}{6}+4\times \frac{1}{16}
Adio 105 a 32 i gael 137.
\frac{137}{21}+3\times \frac{5}{3}+4\times \frac{1}{16}
Lleihau'r ffracsiwn \frac{10}{6} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.
\frac{137}{21}+5+4\times \frac{1}{16}
Canslo 3 a 3.
\frac{137}{21}+\frac{105}{21}+4\times \frac{1}{16}
Troswch y rhif degol 5 i’r ffracsiwn \frac{105}{21}.
\frac{137+105}{21}+4\times \frac{1}{16}
Gan fod gan \frac{137}{21} a \frac{105}{21} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{242}{21}+4\times \frac{1}{16}
Adio 137 a 105 i gael 242.
\frac{242}{21}+\frac{4}{16}
Lluosi 4 a \frac{1}{16} i gael \frac{4}{16}.
\frac{242}{21}+\frac{1}{4}
Lleihau'r ffracsiwn \frac{4}{16} i'r graddau lleiaf posib drwy dynnu a chanslo allan 4.
\frac{968}{84}+\frac{21}{84}
Lluosrif lleiaf cyffredin 21 a 4 yw 84. Troswch \frac{242}{21} a \frac{1}{4} yn ffracsiynau gyda’r enwadur 84.
\frac{968+21}{84}
Gan fod gan \frac{968}{84} a \frac{21}{84} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{989}{84}
Adio 968 a 21 i gael 989.
Enghreifftiau
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