what is 4/7 - 2/3 in simplest form?
find a common denominator to subtract, so smallest common denimator between 7 and 3 is 21multiply 4/7 by 3/3 and 2/3 by 7/712/21-14/21= -2/21
find a common denominator to subtract, so smallest common denimator is 21 4/7 3/3 minus 2/3 7/7= -2/21