Răspuns :
a/b=7/5 => a=7b/5
7b/5 - b = 42
7b-5b=210
2b=210 => b=105
a-105=42 => a=147
7b/5 - b = 42
7b-5b=210
2b=210 => b=105
a-105=42 => a=147
x/y=7/5=7a/5a
7a-5a=42
2a=42
a=21
x=7a=7*21=147
y=5a=5*21=105
as simple as that!
7a-5a=42
2a=42
a=21
x=7a=7*21=147
y=5a=5*21=105
as simple as that!