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_______________*11/4=105/495*6/7*11/4=630/1260=1/2
22/6-15/6
b) 2 -(7 1/2 : 25/2)=2-(15/2*2/25)=2-3/5=1 2/5
c)8/5-13/6=48/30-65/30=-17/30
d)27/8+17/6=81/24+68/24=149/24=6 5/24
e)7/6+(15/12-16/12)=7/6+(-1/12)=14/12-1/12=13/12
f)-25/16+11/12=-75/48+44/48=-31/48
g)7/5-31/8-1/8=7/5-30/8=56/40-150/40=-94/40