g.3 1/5 - 1 9/10 = h.2 2/7 - 1 1/3 = i.3 5/6 - 1 1/4 = j.4 4/5 - 2 1/8 =

g. 3 1/5 - 1 1/4
= 16/5 - 5/4
= 64/20 - 25/20
= 39/20
= 1 19/20
h. 2 2/7 - 1 1/3
= 16/7 - 4/3
= 48/21 - 28/21
= 20/21
i. 3 5/6 - 1 1/4
= 23/6 - 5/4
= 46/12 - 15/12
= 31/12
= 2 7/12
j. 4 4/5 - 1 1/8
= 24/5 - 9/8
= 192/40 - 45/40
= 147/40
= 3 27/40