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a) 69 / 20 = 3,45 → 345 / 100 = 69 / 20
2) 4,86666.. → 486 - 48 / 90 = 438 / 90 = 73 / 15
1,34444.. → 134 - 13 / 90 = 121 / 90
b) 58 / 15 = 3,86666.. → 386 - 38 / 90 = 348 / 90 = 116 / 30 = 58 / 15
3) 1,6666.. → 16 - 1 / 9 = 15 / 9 = 5 / 3
2,1111.. → 21 - 2 / 9 = 19 / 9
c) 317 / 90 = 3,52222.. → 352 - 35 / 90 = 317 / 90
4) 7,66.. → 76 - 6 / 9 = 69 / 9 = 23 / 3
2,222.. → 22 - 2 / 9 = 20 / 9
d) 95 / 27 = 3,518518.. → 3518 - 3 / 9 = 3515 / 9