There boys step off together from the scene sport their steps measure 63 cm 70 cm and 77 cm respectively what is the minimum distance each should cover so that all can cover the distance in complete steps
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Step-by-step explanation:
we will find the LCM of those number so factorise those numbers
63 =7×9
7×3×3
70 = 7×10
7×5×2
77 = 7×11
common factors = 7=7
uncommon factors = 3×3×5×2×11=990
990×7 =6930
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