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Tentukan nilai yang belum diketahui supaya setiap ...

Tentukan nilai yang belum diketahui supaya setiap pernyataan berikut benar.

a. begin mathsize 14px style 6 over 24 equals fraction numerator... over denominator 21 end fraction equals fraction numerator... over denominator 28 end fraction end style

Jawaban:

Tentukan faktor pengali yang sama pada setiap pecahan

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 6 over 24 end cell equals cell fraction numerator... over denominator 21 end fraction equals fraction numerator... over denominator 28 end fraction end cell row cell fraction numerator 6 cross times 1 over denominator 6 cross times 4 end fraction end cell equals cell fraction numerator... over denominator 21 end fraction equals fraction numerator... over denominator 28 end fraction end cell row cell fraction numerator 6 cross times 1 over denominator 6 cross times 4 end fraction end cell equals cell fraction numerator begin display style bevelled 21 over 4 end style over denominator 21 end fraction equals fraction numerator 7 cross times 1 over denominator 7 cross times 4 end fraction end cell row cell 6 over 24 end cell equals cell fraction numerator 5 comma 25 over denominator 21 end fraction equals 7 over 28 end cell end table end style

Jadi, hasilnya adalah begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 6 over 24 end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell fraction numerator 5 comma 25 over denominator 21 end fraction end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 7 over 28 end cell end table end style.

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