(-3 9/25)*1 17/63+1 19/45* 1 3/32
(-3 9/25)*1 17/63+1 19/45* 1 3/32 = = (-84/25)*(80/63) + (64/45)*(35/32) = = -64/15+14/9 = 14/9-64/15=-122/45 = -2 32/45