What should be added to the sum of 13/15 and 27/20 to get 91/60?
Q. What should be subtracted from 4/7to get 3/4?
Q. By what number should (-16)power-1 be divided to give the quotient as (-4)power -1?
Q. By what number should -5/14 be multiplied to get the product as 7/12?
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1.subtract the sum of 13/15 and 27/20 from 91/60.
2.equation is (4/7-x) =3/4
4.equation is (-5/14× X)=7/12
3.X÷(-1/16)=-1/4
2.equation is (4/7-x) =3/4
4.equation is (-5/14× X)=7/12
3.X÷(-1/16)=-1/4
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