Evaluate -12/5 +(-7/20) +3/14+1/7-1/10
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LCM of 5,20,14,7 and 10 is 140.
(-336+(-49)+30+20-14)/140
= (-336-49+30+20-14)/140
= (-399+50)/140
= -349/140
(-336+(-49)+30+20-14)/140
= (-336-49+30+20-14)/140
= (-399+50)/140
= -349/140
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