LCD(7, 9, 2) = 126.
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lcm(7, 9) = 63 → equivalent fractions are: 3/7 = (3×9)/(7×9) = 27/63 2/9 = (2×7)/(9×7) = 14/63
9 = 3^2 15 = 3 x 5 21 = 3 x 7 lcm = 3^2 x 5 x 7 = 315
3
LCD of 5, 9 and 2 = 90
The LCD or LCM is 504