Question

Aduceti la acelasi numitor fractiile a) 7 supra 3,4 supra 5si1 supra 6,b)1 supra 20,2 supra 11,c)4 supra 8,9 supra 18 si 3 supra 6,d)33 supra 11 si 21
supra 7,e) 201 supra 225 si 68 supra 100,f)7 supra 30 ,7 supra 90 si 7 supra 45,g) 29 supra 810,37 supra 3 si 61 supra 1500.

Answer 1

7/3 CU10=70/30
4/5CU6=24/30
1/6CU5=5/30

1/20CU11=11/220
2/11CU20=40/220

4/8CU9=36/72
9/18CU4=36/72
3/6CU12=36/72

33/11CU7=CU231/77
21/7CU11=CU231/77

201/225CU100=CU20100/22500
68/100CU 225=CU15300/22500

7/30 CU3=CU21/90
7/90 ASA RAMANE
7/45 CU 2= CU14/90

29/810CU 4500=CU130500/36454000
37/3 CU 1215000=CU44955000/3645000
61/15002430=CU148230/3645000