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Q.2 Multiply and reduce to lowest form (if possible):
(i) 2/3× \(2/frac{2}{3} \)
(ii) 2/7×7/9
(iii) 3/8× 6/4
(iv) 9/5×3/5
(v) 1/3×15/8
(vi)11/2 × 3/10
(vi) 4/5× 12/7
Answer :

(i) 2/3×8/3=(2×8)/(3×3)=16/9= \(1\frac{7}{9} \)
(ii) 2/7×7/9=14/63=\(\frac{14÷7}{63÷7} \)=2/9
(iii) 3/8×6/4 = 18/32 =\(\frac{18÷2}{32÷2} \)=9/16
(iv) 9/5×3/5=27/25=\(1\frac{2}{25} \)
(v)1/3×15/8=15/24=\(\frac{15÷3}{24÷3} \)=5/8
(vi) 11/2×3/10=33/20=\(1\frac{13}{20} \)
(vii) 4/5×12/7 = 48/35=\(1\frac{13}{35} \)