math
posted by blake .
Find the value of the following fractional expression:
10/1 + 9/2 – 8/3 – 7/4 – 6/5 – 5/6 – 4/7 – 3/8 – 2/9 – 1/10
Provide your answer as a simplified fraction.

math 
Reiny
your lowest common denominator is
9*8*5*7 or 2520
take it from there
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