Question:
Select those which can be written as a rational number with denominator 4 in their lowest form:
(7/8), (64/16), (36/-12), (-16/17), (5/-4), (140/28)
Solution:
Rational number with denominator 4 in their lowest form are,
64/16 = 16/4, 36/-12 = 12/-4, 5/-4, 140/28 =20/4