The product of rational number is 2/15.if one of the number is -8.9,find the other number.
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Step-by-step explanation:
Given that,sum of two rational numbers is 2/15
one of the number is -8/9
Let the other number be x
-8/9 + x = 2/15 (transposing -8/9 to RHS)
x = 2/15 + 8/9
LCM of 15 and 9 = 45
x = (2/15 × 45 + 8/9 ×45)/45
x = (6 + 40)/ 45
x= = 46/45
check:
= 46/45+(-8/9)
= 46/45 - 8/9
LCM of 45 and 9 = 45
= (46/45×45 - 8/9×45)/45
=( 46 - 40 )/ 45
= 6 / 45
= 2/15
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