SOLUTION: a men spend 1/5th of his income on rent,3/10th on food and 1/12th in other expenses.what fraction of his income does the man save?

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Question 765862: a men spend 1/5th of his income on rent,3/10th on food and 1/12th in other expenses.what fraction of his income does the man save?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
1/5 + 3/10 + 1/12
Common denominator = 120
24 + 36 + 10/120
= 70/120 = 7/12
1 - 7/12 = 5/12
So, man saves 5/12 of his income.
Hope this helps.
:-)