Question

If a mixed number is multiplied by a fraction less than 1 what must be true of the product?

Answer 1

Exemplo: 
1 1/3 * 1/4 = 
(1*3+1)/3 * 1/4 = 
(3+1)/3 * 1/4 = 
4/3 * 1/4 = 
(4*1)/(3*4) = 
4/12 = 1/4