Question

Va rog ajutatima am mare nevoie de ajutor!
Scrieti fractiile de mai jos ca suma de doua,trei si patru fractii cu acelas numitor:
15pe10,16pe10,8pe9,19oe20,6pe12
11pe6. Va rog va implor ajutatima

Answer 1

a)
15/10=5/10+10/10
15/10=5/10+5/10+5/10
15/10=10/10+3/10+1/10+1/10

b)
16/10=6/10+10/10
16/10=6/10+9/10+1/10
16/10=3/10+3/10+9/10+1/10

c)
8/9=4/9+4/9
8/9=4/9+2/9+2/9
8/9=3/9+3/9+2/9

d)
19/20=9/20+10/20
19/20=4/20+5/20+10/20
19/20=2/20+2/20+5/20+10/20

e)
6/12=3/12+3/12
6/12=1/12+2/12+3/12
6/12=3/12+1/12+1/12+1/12

f)
11/6=10/6+1/6
11/6=9/6+1/6+1/6
11/6=5/6+4/6+1/6+1/6

Answer 2

15pe10=10pe10+5pe10      15pe10=5pe10+5pe10+5pe10

15pe10=5pe10+5pe10+2pe10+3pe10     16pe10=8pe10+8pe10                          
16pe10=8pe10+4pe10+4pe10    16pe10=4pe10+4pe10+4pe10+4pe10                                                                                                                                              8pe9=4pe9+4pe9   8pe9=2pe9+2pe9+4pe9    8pe9=2pe9+2pe9+2pe9+2pe9       19pe20=10pe20+9pe20     19pe20=5pe20+5pe20+9pe20      19pe20=5pe20+5pe20+4pe20+5pe20         6pe12=3pe12+3pe12     6pe12=3pe12+2pe12+1pe12     6pe12=1pe12+2pe12+2pe12+1pe12