Taksirlah hasil penjumlahan pecahan berikut!

Penjelasan dengan langkah-langkah:

a. 6 1/5 + 4

= 31/5 + 4

= 124/20 + 80/20

= 204/20

= 10 4/20

= 10 1/5

b. 6 1/3 + 7/8

= 19/3 + 7/8

= 152/24 + 21/24

= 173/24

= 7 5/24

c. 3 3/4 + 6 1/3

= 15/4 + 19/3

= 45/12 + 76/12

= 121/12

= 10 1/12

d. 7 3/9 + 5 5/7

= 7 1/3 + 5 5/7

= 22/3 + 5 5/7

= 154/21 + 15/21

= 169/21

= 8 1/21