3⅖ + ¼ 3⅖ – ¼ 3⅖ x ¼ 3⅖ : ¼ Make cara yya !

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3⅖ + ¼
3⅖ – ¼
3⅖ x ¼
3⅖ : ¼
Make cara yya !

Jawaban:

  • 3⅖ + ¼

= 3×2/5 + ¼

= 6/5 + ¼

=

frac{6 times 4}{5 times 4} + frac{1 times 5}{4 times 5}

= 22/20 + 5/20

= 27/20

  • 3⅖ – ¼

= 3×2/5 – ¼

= 6/5 – ¼

=

frac{6 times 4}{5 times 4} - frac{1 times 5}{4 times 5}

= 22/20 – 5/20

= 17/20

  • 3⅖ × ¼

= 3×2/5 × ¼

= 6/5 × ¼

= 6/20

  • 3⅖ ÷ ¼

= 3×2/5 ÷ ¼

= 6/5 ÷ 1/4

= 6/5 × 4/1

= 24/5