Question

2/3+1/9等于多少？

Answer 1

解：这是异分母的分数相加，先化成同分母然后再相加
2/3+1/9
=2×3/3×3+1/9
=6/9+1/9
=7/9
望采纳，谢谢

Answer 2

先通分，变成6/9+1/9;然后分母不变分子相加，=6/9+1/9=7/9

Answer 3

2/3+1/9
=8/9+1/9
=9/9
=1
真希望能帮到你！

Answer 4

7/9 先通分让两个数的分母相同。再分子相加。