The sum of two rational number is -3/5 if one them number is -9/20 find other
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One rational no. = - 9/20
Their sum = - 3/5
Let the other rational no. = a
-9/20 + a =-3/5
a = - 3/5 + 9/20
LCM =20
( -3/5 X 4/4 = - 12/20 )
a = - 12/20 + 9/20
a = - 3/20
Hence, the other rational no. is - 3/20 .
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