Question 68 (b)
Express 34 as a rational number with denominator -80.
To make the denominator - 80, we have to multiply numerator and denominator by -20. ∴3×(−20)4×(−20)=−60−80
Express −35 as a rational number with denominator ?
(i) 20 (ii) -30 (iii) 35 (iv) -40