Pake caranya yaa kumpulin nya hari ini

Pake caranya yaa kumpulin nya hari ini

Jawaban:

$frac{3}{14}$

$frac{2}{5}$

$frac{4}{5}$

$frac{61}{15}$

$frac{39}{20}$

$frac{2}{5}$

$frac{1}{4}$

$0.02$

$frac{7}{4}$

10.

$frac{141}{20}$

itu yang saya dapat

Jawab =
* note { pembilang = sisa }

1. 3/8 x 4/7 =

12/56 = 3/14 [ :4 ]

2. 4/5 : 2/5 x 1/5 =

4/5 x 5/2 x 1/5 =

20/10 x 1/5 =

20/50 = 2/5 [ :10 ]

3. 1 1/2 : 3/4 x 2/5 =

3/2 x 4/3 x 2/5 =

12/6 x 2/5 =

24/30 = 4/5 [ :6 ]

4. 2 1/5 : 1/2 – 1/3 =

11/5 x 2/1 – 1/3 =

22/5 – 1/3 =

66/15 – 5/15 =

61/15 = 4 1/15 [ :15 sisa 1 ]

5. 3/5 : 1/2 + 3/4 =

3/5 x 2/1 + 3/4 =

6/5 + 3/4 =

24/20 + 15/20 =

39/20 = 1 19/20 [ :20 sisa 19 ]

6. 0,8 x 5/10 =

8/10 x 5/10 =

40/100 = 2/5 [ :20 ]

7. 0,05 : 2/10 =

5/100 x 10/2 =

50/200 = 1/4 [ :50 ]

8. 0,05 x 0,4 =

5/100 x 4/10 =

20/1000 = 1/50 [ :20 ]

9. 1,25 + 1/2 =

125/100 + 50/100 =

175/100 = 1 75/100 [ :100 sisa 75 ]

10. 3 1/2 : 0,5 + 5% =

7/2 : 5/10 + 5/100 =

7/2 x 10/5 + 5/100 =

70/10 + 5/100 =

700/100 + 5/100 =

705/100 = 7 5/100 [ :100 sisa 5 ]

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