Question

Вычислите:17/126+11/84

Answer 1

$\frac{17}{126} + \frac{11}{84} = \frac{17*2+11*3}{252} = \frac{34+33}{252} = \frac{67}{252}$

Answer 2

126 = 2 * 3 * 3 * 7
84 = 2 * 2 * 3 * 7
НОК (126; 84) = 2 * 3 * 3 * 7 * 2 = 252

34/252 + 33/252 = 67/252 - ответ.