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 Log in to Reply

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