Worksheet on Subtracting Rational Numbers | Rational Numbers Subtraction The Questions over here include Subtracting Rational Numbers with both the Same and Different Denominators. 1. Evaluate each of the following (i) 2/4 - 3/2 (ii) -4/5 - 2/ (-3) (iii) 7/3 - (-5)/ (-7) Solution: 2. Subtract the first rational number from the second one in the following (i) 3/8, 6/8 (ii) -5/9, 3/9 (iii) -2/10, -9/10 (iv) 11/15, -4/15