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THE ANSWER IS: 17/20

(1/4 + 3/5) -

5- 5 10 15 20 25 30

4- 4 8 12 16 20 24

LCD/ least common dinaminator- 20

20 ÷ 4 x 1 = 5

20 ÷ 5 x 3 = 12

ANS: 17/20

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