Question 708554
1 3/8ths times 12 2/5ths
=
{{{1&3/8*12&2/5}}}
={{{(8/8+3/8)*(12*5/5+2/5)}}}
={{{(11/8)*((60+2)/5)}}}
={{{(11/8)*(62/5)}}}
={{{(11*62)/(8*5)}}}
={{{682/40}}},  [which could have been simplified a little before getting to this]
= Divide 682 by 40,
={{{17&1/20}}}