2/5 + 3
Penyelesaian
2/5 + 3 = 2/5 + 15/5 = 17/5 = 3 2/5
10.Tentukan hasilnya 3/7 + 4/5 !
3/7 + 4/5 = 15/35 + 28/35 = 43/35 = 1 8/35
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Jawab1/5 + ½ = 2/10 + 5/10= 7/10
2. 4/5 + 2/3 = …
Jawab4/5 + 2/3 = 12/15 + 10/15= 22/15= 1 7/15
3. 5/6 + 2/3 = …
Jawab5/6 + 2/3 = 5/6 + 4/6= 9/6= 3/2= 1 ½
4. 1 5/6 + ¾ = …
Jawab1 5/6 + ¾ = 1 10/12 + 9/12= 1 19/12=2 7/12
Atau
1 5/6 + ¾ = 11/6 + ¾= 22/12 + 9/12= 31/12= 2 7/12
5. ¼ + 2 7/8 = …
Jawab ¼ + 2 7/8 = 2/8 + 2 7/8= 2 9/8= 3 1/8
6. ½ - 1/8 = …
Jawab½ - 1/8 = 4/8 – 1/8= 3/8
7. ¾ - 3/5 = …
Jawab¾ - 3/5 = 15/20 – 12/20= 3/20
8. 9/10 – 1/5 – ½ = …
Jawab9/10 – 1/5 – ½ = 9/10 – 2/10 – 5/10= 2/10= 1/5
9.Tentukan hasil penjumlahan dan pengurangan berikut.
2/5 + 3
Penyelesaian
2/5 + 3 = 2/5 + 15/5 = 17/5 = 3 2/5
10.Tentukan hasilnya 3/7 + 4/5 !
Penyelesaian
3/7 + 4/5 = 15/35 + 28/35 = 43/35 = 1 8/35