【同分母分数加减法题目100道】在小学数学学习中，同分母分数的加减法是基础而重要的内容。它不仅帮助学生理解分数的基本运算规则，也为后续学习异分母分数、带分数以及分数的混合运算打下坚实的基础。为了更好地巩固这一知识点，下面整理了100道同分母分数加减法题目，并附上答案表格，方便学生练习与复习。
一、题目列表（共100题）
| 题号 | 题目 | 答案 |
| 1 | 1/4 + 2/4 | 3/4 |
| 2 | 3/5 - 1/5 | 2/5 |
| 3 | 2/7 + 4/7 | 6/7 |
| 4 | 5/8 - 3/8 | 2/8 |
| 5 | 1/3 + 1/3 | 2/3 |
| 6 | 7/9 - 2/9 | 5/9 |
| 7 | 3/6 + 2/6 | 5/6 |
| 8 | 4/10 - 1/10 | 3/10 |
| 9 | 5/12 + 3/12 | 8/12 |
| 10 | 6/7 - 2/7 | 4/7 |
| 11 | 2/5 + 3/5 | 5/5 |
| 12 | 9/10 - 4/10 | 5/10 |
| 13 | 4/9 + 1/9 | 5/9 |
| 14 | 7/12 - 5/12 | 2/12 |
| 15 | 3/8 + 2/8 | 5/8 |
| 16 | 8/11 - 3/11 | 5/11 |
| 17 | 1/2 + 1/2 | 2/2 |
| 18 | 6/9 - 2/9 | 4/9 |
| 19 | 5/7 + 2/7 | 7/7 |
| 20 | 4/6 - 1/6 | 3/6 |
| 21 | 2/3 + 1/3 | 3/3 |
| 22 | 7/8 - 3/8 | 4/8 |
| 23 | 3/10 + 4/10 | 7/10 |
| 24 | 9/12 - 6/12 | 3/12 |
| 25 | 1/5 + 3/5 | 4/5 |
| 26 | 5/6 - 2/6 | 3/6 |
| 27 | 4/7 + 3/7 | 7/7 |
| 28 | 8/10 - 5/10 | 3/10 |
| 29 | 2/4 + 1/4 | 3/4 |
| 30 | 6/9 - 3/9 | 3/9 |
| 31 | 5/10 + 3/10 | 8/10 |
| 32 | 7/11 - 4/11 | 3/11 |
| 33 | 3/5 + 2/5 | 5/5 |
| 34 | 9/12 - 5/12 | 4/12 |
| 35 | 1/6 + 4/6 | 5/6 |
| 36 | 7/9 - 5/9 | 2/9 |
| 37 | 2/8 + 3/8 | 5/8 |
| 38 | 6/10 - 2/10 | 4/10 |
| 39 | 4/7 + 1/7 | 5/7 |
| 40 | 8/12 - 3/12 | 5/12 |
| 41 | 3/4 + 1/4 | 4/4 |
| 42 | 5/7 - 1/7 | 4/7 |
| 43 | 2/6 + 3/6 | 5/6 |
| 44 | 9/10 - 7/10 | 2/10 |
| 45 | 4/5 + 1/5 | 5/5 |
| 46 | 6/8 - 2/8 | 4/8 |
| 47 | 1/3 + 2/3 | 3/3 |
| 48 | 7/12 - 3/12 | 4/12 |
| 49 | 3/9 + 4/9 | 7/9 |
| 50 | 8/11 - 6/11 | 2/11 |
| 51 | 2/5 + 2/5 | 4/5 |
| 52 | 5/6 - 3/6 | 2/6 |
| 53 | 4/10 + 3/10 | 7/10 |
| 54 | 7/9 - 2/9 | 5/9 |
| 55 | 1/7 + 3/7 | 4/7 |
| 56 | 6/12 - 4/12 | 2/12 |
| 57 | 3/8 + 4/8 | 7/8 |
| 58 | 9/10 - 5/10 | 4/10 |
| 59 | 2/3 + 2/3 | 4/3 |
| 60 | 7/11 - 5/11 | 2/11 |
| 61 | 5/12 + 2/12 | 7/12 |
| 62 | 8/10 - 4/10 | 4/10 |
| 63 | 3/6 + 2/6 | 5/6 |
| 64 | 6/9 - 3/9 | 3/9 |
| 65 | 4/7 + 2/7 | 6/7 |
| 66 | 9/12 - 6/12 | 3/12 |
| 67 | 1/4 + 3/4 | 4/4 |
| 68 | 5/8 - 2/8 | 3/8 |
| 69 | 2/5 + 4/5 | 6/5 |
| 70 | 7/10 - 3/10 | 4/10 |
| 71 | 3/7 + 3/7 | 6/7 |
| 72 | 8/11 - 2/11 | 6/11 |
| 73 | 4/9 + 1/9 | 5/9 |
| 74 | 6/12 - 3/12 | 3/12 |
| 75 | 2/6 + 4/6 | 6/6 |
| 76 | 9/10 - 8/10 | 1/10 |
| 77 | 5/7 + 1/7 | 6/7 |
| 78 | 7/9 - 4/9 | 3/9 |
| 79 | 3/10 + 5/10 | 8/10 |
| 80 | 8/12 - 5/12 | 3/12 |
| 81 | 1/2 + 1/2 | 2/2 |
| 82 | 6/7 - 3/7 | 3/7 |
| 83 | 4/8 + 2/8 | 6/8 |
| 84 | 9/11 - 7/11 | 2/11 |
| 85 | 2/4 + 3/4 | 5/4 |
| 86 | 5/6 - 1/6 | 4/6 |
| 87 | 3/5 + 2/5 | 5/5 |
| 88 | 7/10 - 5/10 | 2/10 |
| 89 | 4/9 + 3/9 | 7/9 |
| 90 | 8/12 - 2/12 | 6/12 |
| 91 | 1/3 + 2/3 | 3/3 |
| 92 | 6/8 - 4/8 | 2/8 |
| 93 | 5/10 + 3/10 | 8/10 |
| 94 | 7/11 - 3/11 | 4/11 |
| 95 | 2/7 + 4/7 | 6/7 |
| 96 | 9/12 - 7/12 | 2/12 |
| 97 | 3/6 + 1/6 | 4/6 |
| 98 | 8/10 - 6/10 | 2/10 |
| 99 | 4/5 + 1/5 | 5/5 |
| 100 | 7/9 - 5/9 | 2/9 |
二、总结
以上100道同分母分数加减法题目涵盖了常见的分母类型，包括2、3、4、5、6、7、8、9、10、11、12等，有助于学生全面掌握同分母分数的加减法则。在实际操作中，注意以下几点：
- 分母不变：同分母相加减时，分母保持不变。
- 分子相加减：仅对分子进行加减运算。
- 约分处理：结果若能约分，应尽量简化成最简分数。
通过反复练习这些题目，可以有效提升学生的计算准确率和运算速度，为更复杂的分数运算奠定良好基础。
以上就是【同分母分数加减法题目100道】相关内容，希望对您有所帮助。
