1 1/2 + 3 2/10 = 3 2/3 – 1 1/4 =

1. 1/2+32/10=3/2+32/10=47/10=4 7/10
2. 3 2/3-1 1/4=11/3-5/4=44/12-15/12=29/12=2 5/12