1 * (1)/(4) - (3)/(20) (4 * (1)/(3) - 2 * (1)/(2) ) * 5 ​

Question

`1 * (1)/(4) - (3)/(20) (4 * (1)/(3) - 2 * (1)/(2) ) * 5`

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Answer 1

`1 * (1)/(4) - (3)/(20) (4 * (1)/(3) - 2 * (1)/(2) ) * 5 \\ (1)/(4) - (3)/(4)( (4)/(3) - 1) \\ (1)/(4)- (3)/(4) ( (1)/(3) ) \\ (1)/(4) - (1)/(4) \\ \boxed{0}`

0 is the right answer.