Matematika

Pertanyaan

7 5/12 - 4 2/3 =
tolong pakai cara ya

2 Jawaban

  • 7 5/12 - 4 2/3
    = 89/12 - 14/3
    = 89/12 - 56/12
    = 33/12
    = 2 9/12
    = 2 ¾
  • Mapel : Matematika
    Bab : Pecahan

    [tex]7 \frac{5}{12} - 4 \frac{2}{3} \\ = (7 - 4) + ( \frac{5}{12} - \frac{2}{3} ) \\ = 3 + ( \frac{5 - 4 \times 2}{12} ) \\ = 3 + ( \frac{5 - 8}{12} ) \\ = 3 + ( - \frac{3}{12} ) \\ = 3 - \frac{3}{12} \\ = \frac{12 \times 3 - 3}{12} \\ = \frac{36 - 3}{12} \\ = \frac{33}{12} \\ = \frac{33 \div 3}{12 \div 3} \\ = \frac{11}{4} \\ = 2\frac{3}{4} [/tex]

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