Enrhifo
\frac{7}{4}=1.75
Ffactor
\frac{7}{2 ^ {2}} = 1\frac{3}{4} = 1.75
Rhannu
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\frac{3}{4}+4\times \frac{1}{2}-6\times \frac{1}{2}\times \frac{1}{3}
Lluosi 3 a \frac{1}{4} i gael \frac{3}{4}.
\frac{3}{4}+\frac{4}{2}-6\times \frac{1}{2}\times \frac{1}{3}
Lluosi 4 a \frac{1}{2} i gael \frac{4}{2}.
\frac{3}{4}+2-6\times \frac{1}{2}\times \frac{1}{3}
Rhannu 4 â 2 i gael 2.
\frac{3}{4}+\frac{8}{4}-6\times \frac{1}{2}\times \frac{1}{3}
Troswch y rhif degol 2 i’r ffracsiwn \frac{8}{4}.
\frac{3+8}{4}-6\times \frac{1}{2}\times \frac{1}{3}
Gan fod gan \frac{3}{4} a \frac{8}{4} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
\frac{11}{4}-6\times \frac{1}{2}\times \frac{1}{3}
Adio 3 a 8 i gael 11.
\frac{11}{4}-\frac{6}{2}\times \frac{1}{3}
Lluosi 6 a \frac{1}{2} i gael \frac{6}{2}.
\frac{11}{4}-3\times \frac{1}{3}
Rhannu 6 â 2 i gael 3.
\frac{11}{4}-1
Canslo 3 a 3.
\frac{11}{4}-\frac{4}{4}
Troswch y rhif degol 1 i’r ffracsiwn \frac{4}{4}.
\frac{11-4}{4}
Gan fod gan \frac{11}{4} a \frac{4}{4} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.
\frac{7}{4}
Tynnu 4 o 11 i gael 7.
Enghreifftiau
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