subtract the aditive inverse of -5/-7 from the aditive inverse of -3/10
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Step-by-step explanation:
additive inverse of -5/-7= -5/7
additive inverse of -3/10=3/10
3/10-(-5/7)=3/10+5/7
LCM=79
3/10+5/7=(21+50)/70
=71/70=1 1/70
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