(3t+1)/16-(2t-3)/7=(t+3)/8+(3t-1)/14
lcm of 16,7,8 and 14 is=112
multiply each term by 112
(3t+1)/16*112-(2t-3)7*112=(t+3)/8*112+(3t-1)/14*112
(3t+1)*7-(2t-3)16=(t+3)*14+(3t-1)*8
21t+7-32t+48=14t+42+24t-8
21t-32t-14t-24t=42-8-7-48
21t-70t=42-63
-49t=-21
t=21/49
