Multiple Choice Math Problems with Solutions - Math and Reading Help 1. The answer is b) 2/3. To solve, your child must reduce the fraction 8/12. Divide the numerator and denominator by four, which is 2/3. 2. The solution is c) 30 because 10 x 3 = 30. 3. For this question, the answer is d) 1:4. For this problem, your child may get the wrong answer if he doesn't read carefully.