If l:m=3/2:7/4 and m:n =7/3:21/5, find(¡)l:n;(¡¡)l:m:n.
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MSJagadeeshan:
it is wrong
l/m=6/7,m/n=5/9. (l/m)×(m/n)=(6/7)×(5/9)=30/63=l/n
wrong
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l:m=3/2:7/4=(3×4)÷(2×7)=12:14=30:35
m:n=7/3:21/5=(7×5)/(3×21)=35:63
l:m:n=30:35:63
l:n=30:63
m:n=7/3:21/5=(7×5)/(3×21)=35:63
l:m:n=30:35:63
l:n=30:63
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