1 2/5 * 2 2/7 - 1 2/5 * 3/14

Question

1 2/5 * 2 2/7 - 1 2/5 * 3/14

Comments

60*154-60*42=60(154-42)=6720

Answer 1

1 2/5 * 2 2/7 - 1 2/5 * 3/14 =1 2/5(2 4/14 - 3/14) = 7/5 * 29/14 = 
   =29/10 = 2 9/10 = 2,9