Check whether the given fraction are equivalent: (a) 5/9,30/54 (b) 3/10,12/50 (d) 7/13,5/11

(a) 5/9,30/54 = 5×6/9×6, 30x/54 = 30/54,30/54
Therefore, 5/9,30/54 are equivalent.
(b) 3/10,12/50 = 3×5/10×5,12/50 = 15/50,12/50
Therefore, 3/10,12/50 are not equivalent.
(c) 7/3,5/11 = 7×11/13/11,5×13/11×13 = 77/143,64/143
Therefore,7/13,5/11 are not equivalent fraction.

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