Question

1.Tentukan hasil penjumlahan dan pengurangan pecahan berikut!

a) 4/9 + 7/9
b)4 3/8 + 5/8
c) 3 4/7 - 1 2/7
d) 6 7/10 - 1 9/10
e) 1/9 + 5/6 +3/8
f) -1/4 + 1 2/3
g)-3 2/9 - 2/7
h)3/4 + (- 2 1/3)

tolong bantu yaa

Answer 1

4/9 + 7/9= 11/9=1 2/9
4 3/8 + 5/8 = 4 8/8 = 5
3 4/7 - 1 2/7 = 2 2/7
6 7/10 - 1 9/10 = 67/10 - 19/10 = 48/10 =
4 8/10 =4 4/5
maaf cuman segini doang

Answer 2

4/9 + 7/9 = 11/9 = 1 2/9

4 3/8 + 5/8 = 4 8/8 = 5

3 4/7 - 1 2/7 = 25/7 - 9/7 = 16/7 = 2 2/7

6 7/10 - 1 9/10 =
67/10 - 19/10 =
48/10=
4 8/10 =
4 4/5

1/9 + 5/6 + 3/8 =
8/72 + 60/72 + 27/72 =
95/72 =
1 23/72

-1/4 + 1 2/3 =
-1/4 + 5/3 =
-3/12 + 20/12 =
17/12 =
1 5/12