True: 1/4 + 1/4 = 2/4, 1/3 + 1/3 = 2/3, 3/9 + 2/9 = 5/9, 4/5 + 1/5 = 1, 2/10 + 1/10 = 3/10, 1/4 + 2/4 = 3/4, 10/100 + 20/100 = 30/100, 1/5 + 3/5 = 4/5, False: 1/4 + 1/4 = 2/8, 1/5 + 1/5 = 2/10, 2/4 + 1/4 = 3/8, 1/10 + 1/10 = 2/20, 2/5 + 2/5 = 4/10, 1/9 + 1/9 = 2/18, 3/8 + 2/8 = 5/16, 4/10 + 2/10 = 6/20,

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