Free Printable Math_Add n Subtract Unlike Fractions

1.

What must you have to add and subtract fractions?

a)

Common numerators

b)

Different numerators

c)

Different denominators

d)

Common denominators

2.

(Choose one that is true) When you add or subtract fractions with unlike denominators you..

a)

Find the greatest common factor to change your denominator

b)

Change the denominator by picking a random number then divide

c)

Find the least common multiple to change your denominator

d)

none of these are true

3.

What is the the next step to finding this answer?

a)

Add the numerators (1+1=2)

b)

Multiply 12 X 1 for both fractions to find a new numerator

c)

Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

d)

This is a mistake, you don't need to convert to twelfths

4.

Which one is true

a)

You only simplify when you add fractions

b)

You simplify all the time unless the fraction is already simplified

c)

You only simplify when you subtract fractions

5.

$\frac{2}{5}+\frac{3}{10}$

a)

$\frac{3}{10}$

b)

$\frac{5}{15}$

c)

$\frac{7}{10}$

d)

$\frac{7}{15}$

6.

Add the fractions, simplify if you can.

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

a)

$\frac{7}{9}$

b)

$\frac{5}{9}$

c)

$\frac{1}{3}$

7.

Add the fraction, simplify if you can.
$\frac{1}{2}+\frac{1}{6}$

a)

$\frac{2}{3}$

b)

$\frac{1}{6}$

c)

$\frac{1}{3}$

8.

Add the fraction, simplify if you can.
$\frac{2}{5}+\frac{1}{10}$

a)

$\frac{1}{2}$

b)

$\frac{1}{4}$

c)

$\frac{1}{5}$

9.

Add the fraction, simplify if you can.
$\frac{2}{3}+\frac{2}{12}$

a)

$\frac{5}{6}$

b)

$\frac{1}{3}$

c)

$\frac{4}{5}$

10.

Subtract the fraction, simplify if you can.
$\frac{5}{6}-\frac{1}{2}$

a)

$\frac{1}{3}$

b)

$\frac{2}{5}$

c)

$\frac{3}{7}$

11.

Subtract the fraction, simplify if you can.

$\frac{7}{12}-\frac{1}{3}$

a)

$\frac{1}{4}$

b)

$\frac{1}{5}$

c)

$\frac{3}{4}$

12.

Subtract the fraction, simplify if you can.

$\frac{3}{4}-\frac{5}{12}$

a)

$\frac{1}{3}$

b)

$\frac{2}{3}$

c)

$\frac{5}{7}$

13.

Subtract the fraction, simplify if you can.
$\frac{1}{3}-\frac{5}{6}$

a)

$\frac{1}{2}$

b)

$\frac{3}{4}$

c)

$\frac{5}{8}$

Math_Add n Subtract Unlike Fractions

Total questions: 13

Worksheet time: 35mins

Similar Resources on Wayground