Pecahan campuran tolong jawab​

Jawab:

1, 3 7/15

2.  4 5/8

3.4 1/12

4.2 1/28

Penjelasan dengan langkah-langkah:

1) 2 4/5 + 2/3=

2 4/5= 5 x 2 + 4= 14/5

= 14/5 + 2/3

kpk= 15

=42/15 + 10/15

= 52/15 = 3 7/15

2) 4 1/8 + 2/4=

4 1/8= 8 x 4 + 1= 33/8

33/8 + 2/4

kpk= 8

33/8 + 4/8

=37/8 = 4 5/8

3) 3 6/9 + 3/6

3 6/9= 9 x 3 + 6= 33/9

33/9 + 3/6

kpk= 36

=132/36 + 15/36

=147/36 = 4 3/36= 4 1/12

4) 1 2/7 + 3/4

1 2/7= 7 x 1 + 2= 9/7

9/7 + 3/4  

kpk=28

=36/28 + 21/28

= 57/28 = 2 1/28