3
4
2
5
3
8
2
9
1
7
3
4
3
8
- = n
3
4
3
8
- = n
4 8
2 4
2
2
1 2
6
8
3
4
3
8
- = n
3
4
6
8
3
4
3
4
6
8
8
3
4
=
8 is the LCD, so 8 will be the
denominator to get the
numerator, 8÷4 = 2, then
2 x 3 = 6
6
3
4
3
8
- = n
6
8
3
4 = 6
8
3
8
- = n
6
8
3
8
- = 3
8
1 15
2
5
2
6
- = n
5 6
9
10
2
5
- = n
2
7
5
14
- = n
2
3
3
7
- = n

Subtracting dissimilar fractions