四年级数学分数加减法复习卷.pdf

四年级数学分数加减法复习卷

姓名：班级：成绩：

四年级数学分数加减法复习卷

试卷内容

一、选择题（每题2分，共20分）

1.\(\frac{1}{2}+\frac{1}{3}=\)

A.\(\frac{5}{6}\)

B.\(\frac{1}{6}\)

C.\(\frac{2}{5}\)

D.\(\frac{1}{5}\)

2.\(\frac{3}{4}-\frac{1}{4}=\)

A.\(\frac{2}{4}\)

B.\(\frac{1}{2}\)

C.\(\frac{1}{4}\)

D.\(\frac{3}{4}\)

3.\(\frac{5}{6}+\frac{1}{3}=\)

A.\(\frac{3}{2}\)

B.\(\frac{7}{6}\)

C.\(\frac{2}{3}\)

D.\(\frac{1}{2}\)

4.\(\frac{7}{8}-\frac{3}{8}=\)

A.\(\frac{4}{8}\)

B.\(\frac{1}{2}\)

C.\(\frac{1}{4}\)

D.\(\frac{5}{8}\)

5.\(\frac{2}{5}+\frac{3}{10}=\)

A.\(\frac{7}{10}\)

B.\(\frac{1}{2}\)

C.\(\frac{1}{5}\)

D.\(\frac{1}{4}\)

6.\(\frac{1}{3}+\frac{1}{6}=\)

A.\(\frac{1}{2}\)

B.\(\frac{1}{3}\)

C.\(\frac{1}{4}\)

D.\(\frac{1}{6}\)

7.\(\frac{4}{5}-\frac{2}{5}=\)

A.\(\frac{2}{5}\)

B.\(\frac{1}{5}\)

C.\(\frac{3}{5}\)

D.\(\frac{4}{5}\)

8.\(\frac{3}{10}+\frac{2}{5}=\)

A.\(\frac{7}{10}\)

B.\(\frac{1}{2}\)

C.\(\frac{1}{5}\)

D.\(\frac{1}{4}\)

9.\(\frac{1}{2}-\frac{1}{4}=\)

A.\(\frac{1}{4}\)

B.\(\frac{1}{2}\)

C.\(\frac{3}{4}\)

D.\(\frac{2}{4}\)

10.\(\frac{5}{8}+\frac{1}{4}=\)

A.\(\frac{7}{8}\)

B.\(\frac{1}{2}\)

C.\(\frac{3}{8}\)

D.\(\frac{5}{4}\)

二、填空题（每题2分，共20分）

11.\(\frac{2}{3}+\frac{1}{3}=\underline{\quad}\)

12.\(\frac{5}{12}-\frac{1}{4}=\underline{\quad}\)

13.\(\frac{3}{5}+\frac{1}{10}=\underline{\quad}\)

14.\(\frac{7}{9}-\frac{2}{9}=\underline{\quad}\)

15.\(\frac{1}{2}+\frac{3}{8}=\underline{\quad}\)

16.\(\frac{4}{7}-\frac{1}{7}=\underline{\quad}\)

17.\(\frac{1}{6}+\frac{1}{3}=\underline{\quad}\)

18.\(\frac{5}{10}-\frac{1}{5}=\underline{\quad}\)

19.\(\frac{3}{4}+\frac{1}{8}=\underline{\quad}\)

20.\(\frac{2}{9}-\frac{1}{3}=\underline{\quad}\)