Question

aduceti la acelasi numitor fractiile: 1pe2 si 1pe4, 1pe3 si 2pe6, 5pe12 si 1pe4, 1pe5 si 3pe20, 2pe15 si 4pe30, 5pe11 si 3pe33, 11pe20 si 7pe60, 4pe25 si 7pe100

Answer 1

1/2=2/4  si 1/4
1/3=2/6 si 2/6
5/12 si 1/4=3/12
1/5=4/20 si 3/20
2/15=4/30 si 4/30
5/11=15/33 si 3/33
11/20=33/60 si 7/60
4/25=16/100 si 7/100