2.) 7/9 + 2/3
= 7/9 + 6/9
= 13/9 = 1 4/9
3.) 1 3/4 + 5/6
= 7/4 + 5/6
= 21/12 + 10/12
= 31/12
= 2 7/12
4.) 1 1/7 + 2 2/5
= 8/7 + 12/5
= 40/35 + 84/35
= 124/35
= 3 19/35
5.) 7/8 - 1/4
= 7/8 - 2/8
Baca Juga: Pembahasan Persoalan 1 Halaman 47, Matematika Kelas 6 SD Kurikulum Merdeka