Free Printable 单元2_分数的加减

1.

腐烂的苹果占苹果总数量的…

a)

b)

c)

d)

2.

$\frac{3}{7}\ +\ 2\ \frac{2}{7}\ =$

a)

$\frac{5}{7}$

b)

$2\ \frac{5}{7}$

c)

$3\ \frac{5}{7}$

d)

$2\ \frac{5}{14}$

3.

$\ 3\ +\ 1\ \frac{1}{6}\ +\ \frac{1}{6}$ =

a)

$4\ \frac{2}{6}$

b)

$4\ \frac{2}{12}$

c)

$\ 4\ \frac{1}{3}$

d)

$\ 3\ \frac{2}{6}$

4.

$\ 1\ \frac{3}{4}\ +\ 5\ \frac{1}{8}$ =

a)

$6\ \frac{7}{8}\$

b)

$\ 6\ \frac{5}{8}$

c)

$6\ \frac{4}{12}$

d)

$\ 6\ \frac{4}{8}$

5.

$\ 4\ \frac{1}{4\ }\ +\ 3\ \frac{1}{2}\ +\ \frac{2}{3}=$

a)

$8\ \frac{5}{12}$

b)

$7\ \frac{17}{12}$

c)

$8\ \frac{6}{12}$

d)

$7\ \frac{18}{12}$

6.

$\frac{1}{3}$ - $\frac{2}{9}$

a)

$\frac{5}{9}$

b)

$\frac{10}{9}$

c)

$\frac{1}{9}$

d)

$\frac{3}{9}$

7.

$\ 4\ -2\ \frac{5}{9}=$

a)

$\ 2\ \frac{4}{9}$

b)

$\ 2$

c)

$1$

d)

$\ 1\ \frac{4}{9}$

8.

$\frac{7}{8}$ - $\frac{2}{8}$ =

a)

$\frac{1}{8}$

b)

$\frac{2}{8}$

c)

$\frac{3}{8}$

d)

$\frac{5}{8}$

9.

$6\ -\frac{1}{8}-\frac{5}{8}=$

a)

$\ 5\ \frac{1}{4}$

b)

$\ 5\ \frac{2}{8}$

c)

$4\ \frac{1}{4}$

d)

$\ 4\ \frac{2}{8}$

10.

$3\ -\ 1\frac{1}{6}\ =$

a)

$\frac{5}{6}$

b)

$2\frac{1}{6}$

c)

$1\frac{5}{6}$

11.

$7\frac{3}{5}\ -\ \frac{2}{5}\ =$

a)

$7\frac{1}{5}$

b)

$\frac{1}{5}$

c)

$7\frac{2}{5}$

12.

$2\frac{1}{9}\ +\ \frac{7}{9}\ -\ \frac{3}{9}\ =$

a)

$2\frac{7}{9}$

b)

$\frac{5}{9}$

c)

$2\frac{5}{9}$

13.

$\ 1\ -\ \frac{3}{10}-\frac{2}{5}\ =$

a)

$\frac{\ 1}{10}$

b)

$\frac{\ 2}{10}$

c)

$\frac{\ 3}{10}$

d)

$\frac{\ 4}{10}$

14.

图中的圆被切割成几个相同大小的部分。

涂黑部分占全图的几分之几？

a)

$\frac{4}{9}$

b)

$\frac{2}{3}$

c)

$\frac{4}{6}$

d)

$\frac{2}{5}$

15.

$7\frac{1}{2}-2\frac{5}{6}+3\frac{1}{3}=$

算一算，然后把答案化为最简分数。

a)

$7\frac{1}{3}$

b)

$8$

c)

$8\frac{4}{6}$

d)

$8\frac{1}{6}$

16.

$5\frac{1}{4}-2\frac{5}{6}+1\frac{1}{3}=$

a)

$3\frac{3}{4}$

b)

$3\frac{4}{12}$

c)

$3\frac{7}{12}$

d)

$3\frac{15}{12}$

17.

$\frac{1}{2}+\frac{3}{5}-\frac{3}{10}=$

算一算，然后把答案化为最简分数。

a)

$\frac{8}{10}$

b)

$\frac{7}{10}$

c)

$\frac{4}{5}$

d)

$\frac{3}{5}$

18.

花园里有各种各样的花，向日葵占了 $\frac{1}{9}$ ，玫瑰占了 $\frac{1}{3}$ ，其余的是兰花。兰花占了所有花的几分之几？写出正确的算式。

a)

$1-\frac{1}{9}-\frac{1}{3}=$

b)

$\frac{1}{9}+\frac{1}{3}=$

c)

$1+\frac{1}{9}+\frac{1}{3}=$

d)

$1-\frac{1}{9}+\frac{1}{3}=$

19.

$4\frac{5}{7}\ +\ 1\frac{1}{7}\ -\ 2\frac{3}{7}\ =$

a)

$\frac{3}{7}$

b)

$1\frac{6}{7}$

c)

$3\frac{3}{7}$

d)

$5\frac{6}{7}$

20.

$\frac{3}{4}-\frac{1}{6}+\frac{1}{3}=$

a)

$\frac{11}{12}$

b)

$\frac{4}{12}$

c)

$\frac{7}{12}$

d)

$\frac{15}{12}$

单元2_分数的加减

Total questions: 20

Worksheet time: 10mins

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