Colorful House of Math logo
Log in

Activities 4


4.1)

Expand or simplify these fractions so that they have the same denominator.

a)
1 3 and 4 6
b)
3 4 and 7 2
c)
11 5 and 1 10
d)
2 9 and 5 3
e)
5 7 and 3 4
f)
10 3 and 15 4
g)
2 7 and 4 10
h)
16 5 and 8 3
i)
4 12 and 3 3

a)
1 3 and 4 6
b)
3 4 and 7 2
c)
11 5 and 1 10
d)
2 9 and 5 3
e)
5 7 and 3 4
f)
10 3 and 15 4
g)
2 7 and 4 10
h)
16 5 and 8 3
i)
4 12 and 3 3

4.2)

Add or subtract these fractions.

a)
4 3 + 5 16
b)
2 5 + 4 8
c)
7 12 + 3 9
d)
4 3 + 1 4
e)
15 21 + 6 14
f)
12 11 + 3 4
g)
12 11 4 3
h)
43 22 31 33
i)
4 3 2 8
j)
1 3 2 10
k)
12 5 3 14
l)
5 3 2 4

a)
4 3 + 5 16
b)
2 5 + 4 8
c)
7 12 + 3 9
d)
4 3 + 1 4
e)
15 21 + 6 14
f)
12 11 + 3 4
g)
12 11 4 3
h)
43 22 31 33
i)
4 3 2 8
j)
1 3 2 10
k)
12 5 3 14
l)
5 3 2 4

4.3)

Add these fractions.

a)
1 2 + 1 3
b)
3 13 + 1 11
c)
8 3 + 3 15
d)
8 16 + 2 4
e)
2 6 + 5 56
f)
4 17 + 3 51
g)
1 2 + 5 8
h)
13 28 + 4 14
i)
22 33 + 3 11
j)
25 100 + 40 50
k)
37 20 + 37 40
l)
1 1 + 3 3

a)
1 2 + 1 3
b)
3 13 + 1 11
c)
8 3 + 3 15
d)
8 16 + 2 4
e)
2 6 + 5 56
f)
4 17 + 3 51
g)
1 2 + 5 8
h)
13 28 + 4 14
i)
22 33 + 3 11
j)
25 100 + 40 50
k)
37 20 + 37 40
l)
1 1 + 3 3

4.4)

Subtract these fractions.

a)
5 6 1 3
b)
4 10 4 11
c)
11 12 3 4
d)
6 3 3 2
e)
14 14 42 42
f)
12 5 3 20
g)
3 5 4 15
h)
21 28 1 7
i)
47 99 1 3
j)
31 7 5 14
k)
22 10 5 5
l)
42 12 4 6

a)
5 6 1 3
b)
4 10 4 11
c)
11 12 3 4
d)
6 3 3 2
e)
14 14 42 42
f)
12 5 3 20
g)
3 5 4 15
h)
21 28 1 7
i)
47 99 1 3
j)
31 7 5 14
k)
22 10 5 5
l)
42 12 4 6

4.5)

Calculate these expressions with three fractions.

a)
1 3 + 5 6 1 12
b)
4 8 1 4 + 3 2
c)
5 25 + 3 75 2 100
d)
6 7 4 21 + 7 14
e)
6 13 4 39 + 4 52
f)
3 1 4 3 1 6

a)
1 3 + 5 6 1 12
b)
4 8 1 4 + 3 2
c)
5 25 + 3 75 2 100
d)
6 7 4 21 + 7 14
e)
6 13 4 39 + 4 52
f)
3 1 4 3 1 6

You can find the solutions here.

Bootcamps

Want to watch animated videos and solve interactive exercises about fractions? Click here to try Bootcamps!

Want to know more?Sign UpIt's free!
White arrow pointing to the LeftPrevious entry
Common Denominator
Next entryWhite arrow pointing to the right
Multiplication of Fractions and Integers