Processing Math: Done
Solution 1.2:3b
From Förberedande kurs i matematik 1
If we divide the denominators in succession by
2
2
340=2
2
516=2
2
2
2
i.e. they all have a factor
2
2=8
8+15
8−12
8
and hence we do not need to take
3
2
53
8
2
5+1
2
35
8
2
3−1
3
52
8
3
5=10240+6240−15240
The LCD is