12 upon 5 -7 upon 4 upon
solve the followingon
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12 upon 5 -7 upon 4 upon
solve the followingon
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12/5 - 7/4
= (12×4)/20 - (7×5)/20
= 48/20-35/20
= 13/20
12/5-7/4
l.c.m. of 5and 4 is 20.
48-35/ 20. 48-35is 13.so,
13/20