5/6*4/9-2/7*7/5+1/8*2/9
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Answer:
5/6*4/9-2/7*7/5+1/8*2/9
ans:5/3*2/9-2/5+1/4*9
ie,5/3*2/9-2/5+1/36
= 10/27-2/5+1/36
= 50-54/135+1/36
= -144+135/4860
= -9/4860
= -1/540
answer is -1/540
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