the sum of two rational no. is 4 upon 21 if one of them 5 upon 7 find the other?
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let one rational no be x and the second one be y
x + y = 4/21
5/7 + y = 4/21
y = 4/21 - 5/7
y = -11 / 21
the other rational no. is -11/21
hope it helps
x + y = 4/21
5/7 + y = 4/21
y = 4/21 - 5/7
y = -11 / 21
the other rational no. is -11/21
hope it helps
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