Question

URGENT!!! efectuati adunarile:

a)3/4+7/20= b)1/5+11/30= c)5/9+6/18= d)12/13+2/39=

e)1/8+35/72= f)5/12+15/48= g)2/15+2/17= h)5/9+10/63

Answer 1

a) 3/4+7/20=15/20+7/20=22/20
b) 1/5+11/30=6/30+11/30=17/30
c) 5/9+6/18=10/18+6/18=16/18=8/9
d) 12/13+2/39=36/39+2/39=38/39
e) 1/8+35/72=8/72+35/72=43/72
f) 5/12+15/48=20/48+15/48=35/48
g) 2/15+2/17=34/255+30/255=64/255
h) 5/9+10/63=35/63+10/63=45/63=5/7
Coroana?

Answer 2

a) 3/4+7/20 amplifici prima fractie cu 5 =15+7/20=22/20
b)1/5+11/30 amplifici prima fractie cu 6=6+11/30=17/30
c)5/9+6/18 amplifici prima fractie cu 2 =10+6/18=16/18
d)12/13+2/39 amplifici prima fractie cu 3=36+2/39=38/39
e)1/8+35/72 amplifici prima fractie cu 9=9+35/72=44/72
f)5/12+15/48 amplifici prima fractie cu 4 =20+15/48=35/48
h)5/9+10/63 amplifici prima fractie cu 7 =35+10/63=45/63
sper ca te am ajutat