5 4/9:1/9=49/9*9=49
1 3/8*16=11*2=22
49-22=27
(2 1\2)²:(1\2)³=25/4*8=50
27+50=77
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5 4/9:1/9=49/9*9=49
1 3/8*16=11*2=22
49-22=27
(2 1\2)²:(1\2)³=25/4*8=50
27+50=77