3/7 + 1/7 =4/13 + 2/13 +5/13 =1/3 + 3/6 =2/5 + 3/4 +1/2 =
1. 3/7 + 1/7 = 4/7
2. 4/13 + 2/13 = 6/13
6/13 + 5/13 = 11/13
3. 1/3 + 3/6 = 2/6 + 3/6
= 5/6
4. 2/5 + 3/4 = 8/20 + 15/20 = 23/20
23/20 + 1/2 = 23/20 + 10/20 = 33/20
33/20 = 13 1/20
Semoga Bermanfaat
mohon tolong dicek
jika ada kesalahan
mohon dimaafkan