pecahan penjumlahan dan pengurangan pecahan 1 6/7+4 2/3-2 1/3

1 6/7 + 4 ⅔ - 2⅓
=13/7 +14/3 - 7/3
=39/21 + 98/21 - 49/21
=88/21

1 6/7 + 4 ⅔ - 2 ⅓
= 13/7 + 14/3
= 39/21 + 98/21
= 137/21 - 7/3
= 137/21 - 49/21
= 88/21
= 4 4/21