[hline(-7)/(21)" and "(3)/(9)," (ii) "(-16)/(20)" and "20],[(-3)/(-3)" and "(-12)/(20)," (v) "(8)/(-25)" and "(-24)/(15)," (ii) "(1)/(2)" and "]

Which of the following pairs represent the same rational number ? (i) (-7)/21 and 3/9 (ii) 16/20 and 20/(-25) (iii) (-2)/(-3) and 2/3 (iv) (-3)/(-5) and (-12)/20 (v) 8/(-5) and (-24)/15 (vi) 1/3 and (-1)/9 (vii) (-5)/(-9) and 5/(-9)

Which of the following pairs represent the same rational number ? (i) (-7)/21 and 3/9 (ii) 16/20 and 20/(-25) (iii) (-2)/(-3) and 2/3 (iv) (-3)/(-5) and (-12)/20 (v) 8/(-5) and (-24)/15 (vi) 1/3 and (-1)/9 (vii) (-5)/(-9) and 5/(-9)

Which of the following are the pairs of equivalent fractions? (i) (5)/(6)and (20)/(24) (ii) (3)/(8)and (15)/(40) (iii) (4)/(7)and (16)/(21) (iv) (2)/(9)and (14)/(63) (v) (1)/(3)and (9)/(24) (vi) (2)/(3)and (33)/(22)

(ii) 3/20 ÷ 9/7

Multiply : (i) (3)/(4) by (5)/(7) (ii) (9)/(8) by (32)/(2) (iii)(7)/(6) by 24 (iv) (-2)/(3) by (6)/(7) (v) (-12)/(5) by (10)/(-3) (vi) (25)/(-9) by (3)/(-10) (vii) (-7)/(10) by (-40)/(21) (viii) (-36)/(5) by (20)/(-3) (ix) (-13)/(15) by (-25)/(26)

Simplify : (i) (3)/(20)xx(4)/(5) (ii) (-7)/(30)xx(5)/(14) (iii) (5)/(-18)xx(-9)/(20) (iv) (-9)/(8)xx(-16)/(3) (v) -32xx(-7)/(36) (vi) (16)/(-21)xx(-14)/(5)

Which of the following rational numbers are equal? (i) (-9)/(12) and 8/(-12) (ii) (-16)/(20) and (20)/(-25)

Find the difference of (21)/(25)\ a n d(18)/(20) (ii) 3 3/(10)\ a n d\ 2 7/(15)

Find the difference of (21)/(25)\ a n d(18)/(20) (ii) 3 3/(10)\ a n d\ 2 7/(15)