Maths
posted by Annie .
kuldeep had a sum of money. He saved 1/4 of it. He spent 4/9 of the remaining on suitcase. a) What fraction of his money sent on suitcase? b) What fraction of his money was left?

(a) 4/9 * 3/4 = 1/3
(b) 1  1/4  1/3 = 5/12 
If he saved 1 / 4 of money, he has:
1  1 / 4 = 4 / 4  1 / 4 = 3 / 4 of a sum of money.
a)
4 / 9 of 3 / 4 = ( 4 / 9 ) * ( 3 / 4 ) = 4 * 3 / 9 * 4 = 12 / 36 = 12 / 12 * 3 = 1 / 3
He spend 1 / 3 money on suitcase.
b)
3 / 4  1 / 3 = 3 * 3 / 4 * 3  4 * 1 / 4 * 3 = 9 / 12  4 / 12 = 5 / 12
5 / 12 of his money was left?
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