1) a = -5 1/3, b = 1 5/9
|a| : |b| = |-5 1/3| : |1 5/9| = | -16/3 | : |14/9| = 16/3 : 14/9 = 16/3 * 9/14 = (16*9)/(3*14) = (8*3)/7 = 24/7 = 3 3/7
2) a = 1,38, b = -0,4
|a| : |b| = |1,38| : |-0,4| = 1,38 : 0,4 = 13,8 / 4 = 3,45
Ответ:
1) 3 3/7
2) 3,45