Can 70 over 105 be simplified?
A good way in which to check this out would be to break down both 70 and 105 in terms of their factors:
70 = 235 = 257
105= 521 = 5 37
Notice that the factors 5 and 7 are common to both numerator and denominator.
Thus,
70 235
------ = -------------- = 2/3 (answer).
105 335
