Kunci Jawaban Matematika Kelas 7 Halaman 62, Ayo Kita Berlatih 1.5 Mengurutkan dan Menjumlahkan Pecahan

c. 2 1/3 + 3/4

Penyelesaian:

2 1/3 + 3/4 = 2 (4+9)/12
= 2 13/12
= 3 1/12

d. 2/3 + 3 5/9

Penyelesaian:

2/3 + 3 5/9 = 3 (6+5)/9
= 3 11/9
= 3 + 1 2/9
= 4 2/9

e. 3/2 + 2 1/2 + 3 1/4

Penyelesaian:

3/2 + 2 1/2 + 3 1/4 = (2+3) + 8 + 6 + 3/12

= 5 17/12
= 5 + 1 5/12
= 6 5/12