2/5+1/4-3/5+3/4=1/4+3/4-3/5+2/5=1-1/5=4/5 2/5+1/4-3/5+3/4=1/4+3/4-3/5+2/5=1-1/5=4/5
2/5+1/4-3/5+3/4=1/4+3/4-3/5+2/5=1-1/5=4/5