3 by10- 14 by 8÷56 by 9
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3/10 - 14/ 8 = 3/10 -7/4= 6-35/20 = - 29/ 20 ( since 14/8= 7/4 & Lcm (10,4 )= 20 )
( -29 / 20 divided by 56/ 9)
=> -29/20 ÷ 56/9
=> -29/20 × 9/ 56 (since , a/b ÷ c/ d = a/b × d/ c = ad/ bc )
=> -29/20 × 1/ 6 = -29/ 120
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