कौन-सी भिन्न बड़ी हैं
`(i) .(7)/(10)` या `(8)/(10)" " (ii) .(11)/(24)` या `(13)/(24) " " (iii).(17)/(102)` या `(12)/(102)`
ऐसी भिन्नों की तुलना करना क्यो सरल है।

Find (i) (7)/(24)-(17)/(36) (ii) (5)/(63)-((-6)/(21))( iii) (-6)/(13)-(7)/(11)(v)(-2)(1)/(9)-6

Simplify : (i) 8 x (-13) + 8 x 9 (ii) (-12) x 7 + (-12) x (-4) (iii) 9 x (-16) + (-12) x (-16) (iv) 10 x (-31) + 10 x (-9)

Write each of the following in decimal form and say what kind of decimal expansion each has . (i)(5)/(8) " " (ii) (70)/(25) " " (iii)(3)/(11) " " (iv) (5)/(13) " " (v) (11)/(24) (vi)(261)/(400) " " (vii)(231)/(625) " " (viii) 2(5)/(12)

Find (i) 7/24-17/36 (ii) 5/63-((-6)/21) (iii) (-6)/13-7/11 (iv) -2/9 -6

Add and express the sum as a mixed fraction: (i) (-12)/5+(43)/(10) (ii) (24)/7+(-11)/4 (iii) (-31)/6+(-27)/8

Simplify : (i) (7)/(24)xx-48 (ii) (-19)/(36)xx16 (iii) (-3)/(4)xx(4)/(3) (iv) -13xx(17)/(26) (v) (-13)/(5)xx-10 (vi) (-9)/(16)xx(-64)/(27)

Add and express the sum as a mixed fraction: (-12)/5+(43)/(10) (ii) (24)/7+(-11)/4 (iii) (-31)/6+(-27)/8

Find the multiplicative inverse (i.e., reciprocal) of : {:((i) (13)/(25), (ii) (-17)/(12) , (iii) (-7)/(24), (iv) 18, (v) -16),((vi) (-3)/(-5) , (vii) -1, (viii) (0)/(2), (ix) (2)/(-5), (x) (-1)/(8)):}

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)

Which of the two rational numbers is greater in each of the following pairs? (i) 3/-7 or 1/7 , (ii) 11/(-18) or -5/18 , (iii) 7/10 or -9/10 (iv) 0 or -3/4 , (v) 1/12 or 0, (vi) 18/(-19) or 0 (vii) 7/8 or 11/16 , (viii) 11/-12 or -10/11 , (ix) -13/5 or -4 (x) 17/(-6) or -13/4 , (xi) 7/(-9) or -5/8 , (xii) -3/(-8) or 5/9