1) = 28/9*3/8 = (28*3)/(8*9) = 7/(2*3) = 7/6 = 1+1/6
2) = (63+1)/7*3/4 = 64/7*3/4 = (64*3)/(7*4) = (16*3)/7 = 48/7 = 6 + 6/7
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1) = 28/9*3/8 = (28*3)/(8*9) = 7/(2*3) = 7/6 = 1+1/6
2) = (63+1)/7*3/4 = 64/7*3/4 = (64*3)/(7*4) = (16*3)/7 = 48/7 = 6 + 6/7