Question: What is the value of each expression in simplest form 3/12 x 4/21

Step-by-step explanation:

When you divide common fractions, multiply by the reciprocal:

(3/12) / (4/21)  =  (3/12) x (21/4)  =  (3 x 21) / (12 x 4)  =  63/48  =  21/16