Answer: Are you trying to make them into a decimal or make a different fraction out of them?
If decimal then 1/4=0.25,
5/12=0.416
1/4 + 5/12= 0.25+0.416=0.666
Another fraction would be
1/4=2/8
5/12=10/24
1/4+5/12=2/8+10/24=2/3
Step-by-step explanation: This is what I got if it is what you meant