a + b = 32 intregi 5 / 12
32 intregi si 5 / 12 = ( 32 x 12 + 5 ) / 12 = 389 / 12
9 intregi si 7 / 18 = ( 9 x 18 + 7 ) / 18 = 169 / 18
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a + b = 389 / 12
a = b + 169 / 18
b + 169 / 18 + b = 389 / 12
2 x b = 389 / 12 - 168 / 18 334
2 x b = 1167 / 36 - 336 / 36
b = 831 / 36 : 2
b = 831 / 72 = 11 intregi si 39 / 72
a = 389 / 12 - 831 / 72
a = 2334 / 72 - 831 / 72
a = 1503 / 72 = 20 intregi si 63 / 72
