小学五年级数学分数加减题一百道
发布时间:2025-08-02 21:43:33作者:紫色淡漠的光
【小学五年级数学分数加减题一百道】为了帮助小学五年级学生更好地掌握分数的加减运算,我们整理了100道分数加减题,涵盖同分母与异分母两种类型。这些题目由浅入深,适合课后练习和复习巩固。
以下是所有题目的答案汇总,采用表格形式展示,方便查阅与核对。
分数加减题答案表(共100题)
| 题号 | 题目 | 答案 |
| 1 | 1/2 + 1/2 | 1 |
| 2 | 3/4 + 1/4 | 1 |
| 3 | 2/5 + 1/5 | 3/5 |
| 4 | 5/6 - 2/6 | 1/2 |
| 5 | 1/3 + 2/3 | 1 |
| 6 | 7/8 - 3/8 | 1/2 |
| 7 | 1/4 + 1/2 | 3/4 |
| 8 | 5/9 + 2/9 | 7/9 |
| 9 | 4/7 - 1/7 | 3/7 |
| 10 | 3/5 + 1/5 | 4/5 |
| 11 | 2/3 + 1/6 | 5/6 |
| 12 | 5/8 - 1/4 | 3/8 |
| 13 | 1/2 + 1/3 | 5/6 |
| 14 | 3/4 - 1/2 | 1/4 |
| 15 | 2/5 + 3/10 | 7/10 |
| 16 | 7/10 - 1/5 | 1/2 |
| 17 | 1/2 + 3/4 | 5/4 或 1 1/4 |
| 18 | 5/6 - 1/3 | 1/2 |
| 19 | 2/7 + 3/14 | 7/14 或 1/2 |
| 20 | 4/5 - 1/10 | 7/10 |
| 21 | 1/3 + 1/6 | 1/2 |
| 22 | 5/8 + 1/4 | 7/8 |
| 23 | 3/5 - 1/10 | 1/2 |
| 24 | 2/3 + 1/9 | 7/9 |
| 25 | 7/12 - 1/6 | 5/12 |
| 26 | 1/2 + 1/4 | 3/4 |
| 27 | 3/4 - 1/8 | 5/8 |
| 28 | 2/5 + 1/10 | 1/2 |
| 29 | 5/6 - 1/2 | 1/3 |
| 30 | 1/2 + 2/5 | 9/10 |
| 31 | 3/7 + 2/7 | 5/7 |
| 32 | 5/9 - 2/9 | 1/3 |
| 33 | 1/4 + 3/8 | 5/8 |
| 34 | 2/3 - 1/6 | 1/2 |
| 35 | 4/5 + 1/10 | 9/10 |
| 36 | 3/8 + 1/4 | 5/8 |
| 37 | 7/10 - 3/5 | 1/10 |
| 38 | 1/3 + 1/4 | 7/12 |
| 39 | 5/6 - 1/4 | 7/12 |
| 40 | 2/5 + 3/10 | 7/10 |
| 41 | 3/4 + 1/8 | 7/8 |
| 42 | 5/7 - 2/7 | 3/7 |
| 43 | 1/2 + 3/8 | 7/8 |
| 44 | 4/5 - 1/10 | 7/10 |
| 45 | 2/3 + 1/6 | 5/6 |
| 46 | 7/12 - 1/4 | 1/3 |
| 47 | 1/5 + 2/10 | 2/5 |
| 48 | 5/8 + 1/2 | 1 1/8 |
| 49 | 3/5 - 1/10 | 1/2 |
| 50 | 1/2 + 1/5 | 7/10 |
| 51 | 2/3 + 1/6 | 5/6 |
| 52 | 5/6 - 1/3 | 1/2 |
| 53 | 3/4 + 1/6 | 11/12 |
| 54 | 7/9 - 2/9 | 5/9 |
| 55 | 1/2 + 2/3 | 7/6 或 1 1/6 |
| 56 | 4/5 - 1/2 | 3/10 |
| 57 | 2/7 + 3/14 | 7/14 或 1/2 |
| 58 | 5/8 + 1/4 | 7/8 |
| 59 | 3/5 + 1/10 | 7/10 |
| 60 | 1/3 + 1/2 | 5/6 |
| 61 | 7/10 - 1/5 | 1/2 |
| 62 | 2/5 + 1/10 | 1/2 |
| 63 | 5/6 - 1/2 | 1/3 |
| 64 | 3/4 + 1/12 | 10/12 或 5/6 |
| 65 | 4/7 - 1/7 | 3/7 |
| 66 | 1/2 + 1/3 | 5/6 |
| 67 | 5/8 - 1/4 | 3/8 |
| 68 | 2/3 + 1/9 | 7/9 |
| 69 | 7/12 - 1/6 | 5/12 |
| 70 | 1/4 + 1/8 | 3/8 |
| 71 | 3/5 + 2/10 | 4/5 |
| 72 | 5/6 - 1/3 | 1/2 |
| 73 | 2/3 + 1/6 | 5/6 |
| 74 | 4/5 + 1/10 | 9/10 |
| 75 | 1/2 + 3/5 | 11/10 或 1 1/10 |
| 76 | 3/4 - 1/8 | 5/8 |
| 77 | 5/9 + 2/9 | 7/9 |
| 78 | 7/10 - 1/2 | 1/5 |
| 79 | 1/3 + 2/6 | 1/2 |
| 80 | 2/5 + 3/10 | 7/10 |
| 81 | 3/4 + 1/2 | 5/4 或 1 1/4 |
| 82 | 5/7 - 2/7 | 3/7 |
| 83 | 1/2 + 1/6 | 2/3 |
| 84 | 4/5 - 1/10 | 7/10 |
| 85 | 2/3 + 1/9 | 7/9 |
| 86 | 7/12 - 1/4 | 1/3 |
| 87 | 1/5 + 2/10 | 2/5 |
| 88 | 5/8 + 1/2 | 1 1/8 |
| 89 | 3/5 - 1/10 | 1/2 |
| 90 | 1/2 + 1/5 | 7/10 |
| 91 | 2/3 + 1/6 | 5/6 |
| 92 | 5/6 - 1/3 | 1/2 |
| 93 | 3/4 + 1/6 | 11/12 |
| 94 | 7/9 - 2/9 | 5/9 |
| 95 | 1/2 + 2/3 | 7/6 或 1 1/6 |
| 96 | 4/5 - 1/2 | 3/10 |
| 97 | 2/7 + 3/14 | 7/14 或 1/2 |
| 98 | 5/8 + 1/4 | 7/8 |
| 99 | 3/5 + 1/10 | 7/10 |
| 100 | 1/3 + 1/2 | 5/6 |
通过这100道分数加减题的练习,学生可以逐步提升对分数运算的理解和熟练程度。建议在做题时注意以下几点:
- 通分:异分母分数相加减时,先找到公分母。
- 约分:结果能约分的要尽量约简。
- 检查:做完后及时核对答案,避免计算错误。
希望这份练习资料能够对学生的学习有所帮助!
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