taksirlah hasil pengurangan pecahan berikut a.7 kurang 2 1/7 b.6 1/8 kurang 8/9 c.4 1/2 kurang 1 4/5 d.13 9/8 kurang 7 8/9 plisss tolong bantu klo ga tau ga usah jawab anj sama jangan ngasal awas ngasal gw report​

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taksirlah hasil pengurangan pecahan berikut a.7 kurang 2 1/7 b.6 1/8 kurang 8/9 c.4 1/2 kurang 1 4/5 d.13 9/8 kurang 7 8/9 plisss tolong bantu klo ga tau ga usah jawab anj sama jangan ngasal awas ngasal gw report​

Jawaban:

a. : 7 - 2 frac{1}{7} = 7 - frac{15}{7} = frac{7}{1} - frac{15}{7} = frac{49}{7} - frac{15}{7} \ = frac{34}{7} = 4 frac{6}{7}

b. : 6 frac{1}{8} - frac{8}{9} = frac{49}{8} - frac{8}{9} = frac{441}{72} - frac{64}{72} = frac{377}{72} \ = 5 frac{17}{72}

c. : 4 frac{1}{2} - 1 frac{4}{5} = frac{9}{2} - frac{9}{5} = frac{45}{10} - frac{18}{10} \ = frac{27}{10} = 2 frac{7}{10}

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d. 13 9/8 – 7 8/9 = 113/8 – 71/9 = 1017/72 – 568/72

= 449/72 = 6 17/72

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