1/8
Since 17 and 136 have the common factors of 17, reduce 'em to obtain 1/8.
12 over 25
363/500
17/68 = 1/4
40/8 = 5/1 = 5
19/40 is in the reduced form as there is no whole number that divides 19 and 40 evenly (remainder zero).
28 ÷ 40 =7 ÷ 10 = 7/10 = 0.7 = 70%
go too school
7/25
If a slide is over-inoculated, it means that there are too many samples on one slide. This means that it can give a false negative regarding the motility of the organism in question.
3 - negative 15 equal too = -12
12/40 factor 4*3/4*10 eliminate 4; top and bottom 3/10