1. 1/4+3/5
= 17/20
Solution:
LCD:20
20/4=5
5x1=5
> 5/20
20/5=4
4x3=12
> 12/20
5/20+12/20
5+12=17
Answer:
17/20
2. 1/2+2/7
=11/14
Solution:
LCD:14
14/2x1= 7
>7/14
14/7x2=4
>4/14
7/14+4/14=
7+4=11
11/14
Answer: 11/14
3. 5/6+1/4=
13/12
Solution:
LCD:12
12/6x5=10
>10/12
12/4x1=3
>3/12
10/12+3/12
10+3=13
>13/12
Answer: 13/12
4. 4/8+5/6=
4/3
Solution:
4/8=1/2
1/2+5/6
LCD:6
6/2x1=3
>3/6
6/6x5=5
>5/6
3/6+5/6
3+5=8
> 8/6 divide by 2
>4/3
Answer:4/3
5. 2/9+3/4=
35/36
Solution:
LCD:36
36/9x2=8
>8/36
36/4x3=27
>27/36
8/36+27/36
8+27=35
35/36
Answer:35/36
