Adding Fractions with Like Denominators Worksheet

**Page 1**

1.

What would you add to the fraction $\frac{1}{6}$ to get a sum of 1?

a. | $\frac{6}{5}$ | ||

b. | $\frac{5}{6}$ | ||

c. | 1 | ||

d. | $\frac{1}{6}$ |

[Sum of the fraction and

=

[Write 1 as

6 - 1 = 5

[Denominators are equal. So, subtract the numerators.]

1 -

The fraction that should be added to

Correct answer : (2)

2.

What would you add to the fraction $\frac{3}{8}$ to get a sum of 1?

a. | $\frac{5}{8}$ | ||

b. | $\frac{3}{8}$ | ||

c. | $\frac{8}{5}$ | ||

d. | 1 |

[Sum of the fraction and

=

[Write 1 as

8 - 3 = 5

[Denominators are equal. So, subtract the numerators.]

1 -

The fraction that should be added to

Correct answer : (1)

3.

What would you add to the fraction $\frac{7}{10}$ to get a sum of 1?

a. | $\frac{3}{7}$ | ||

b. | $\frac{10}{3}$ | ||

c. | 10 | ||

d. | $\frac{3}{10}$ |

[Sum of the fraction and

=

[Write 1 as

10 - 7 = 3

[Denominators are equal. So, subtract the numerators.]

1 -

The fraction that should be added to

Correct answer : (4)

4.

What would you add to the fraction $\frac{4}{9}$ to get a sum of 1?

a. | $\frac{5}{4}$ | ||

b. | $\frac{9}{4}$ | ||

c. | $\frac{5}{9}$ | ||

d. | $\frac{9}{5}$ |

[Sum of the fraction and

=

[Write 1 as

9 - 4 = 5

[Denominators are equal. So, subtract the numerators.]

1 -

The fraction that should be added to

Correct answer : (3)

5.

What would you add to the fraction $\frac{1}{3}$ to get a sum of 1?

a. | $\frac{1}{4}$ | ||

b. | 3 | ||

c. | $\frac{2}{3}$ | ||

d. | $\frac{1}{3}$ |

[Sum of the fraction and

=

[Write 1 as

3 - 1 = 2

[Denominators are equal. So, subtract the numerators.]

1 -

The fraction that should be added to

Correct answer : (3)

6.

Which of the choices correctly represents the sum of the two fractions $\frac{2}{9}$ and $\frac{3}{9}$?

[Given fraction.]

=

[Add the numerators over the common denominators.]

=

The fraction

From the choices, Choice A represents the fraction

Correct answer : (0)

7.

Find the sum.

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

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

a. | $\frac{1}{2}$ | ||

b. | 2 | ||

c. | 1 | ||

d. | $\frac{1}{3}$ |

Correct answer : (3)

8.

A tap fills $\frac{2}{5}$of a tank in the first two hours and $\frac{1}{5}$of the tank in the next two hours. What portion of the tank is filled in four hours?

a. | $\frac{1}{3}$ | ||

b. | $\frac{1}{5}$ | ||

c. | $\frac{3}{5}$ | ||

d. | $\frac{1}{8}$ |

The portion of the tank filled in the next two hours =

The portion of the tank filled in the four hours =

[Add the numerators and keep the denominator same.]

The portion of the tank filled in four hours =

Correct answer : (3)

9.

A person has done $\frac{5}{12}$ of a job in one week. In the next week, he is only able to complete $\frac{1}{12}$ of the job. Find the fraction of work he has completed in the two weeks.

a. | $\frac{1}{5}$ | ||

b. | $\frac{1}{2}$ | ||

c. | $\frac{1}{3}$ | ||

d. | $\frac{1}{4}$ |

Work done by the person in the second week =

Total work done by the person in the past two weeks =

5 + 1 = 6

[Denominators are equal. So, add the numerators.]

[Divide.]

The work done by the person during the two weeks =

Correct answer : (2)

10.

Jim spent $\frac{3}{7}$ of his salary in the first two weeks of January and $\frac{2}{7}$ in the next two weeks. What fraction of his salary did he spend in the month of January?

a. | $\frac{1}{2}$ | ||

b. | $\frac{5}{7}$ | ||

c. | $\frac{1}{5}$ | ||

d. | $\frac{1}{7}$ |

Salary spent in the next two weeks =

The total part of salary spent in the month =

=

[Denominators are equal. So, add the numerators.]

Jim spent

Correct answer : (2)