which properties can be used in computing 2/5*(5*7/6)+1/3*(3*4/11)
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Associtive property of multiplication..
= 2 / 5 × ( 7 / 6 × 5 ) + 1 / 3 × ( 4 / 11 × 3 )
= [ 2/5 × (7 / 6 × 5 ) ] + [ 1 / 3 × ( 4 / 11 × 3 )]
= [ 2 / 5 × 35 / 6 ] + [ 1 / 3 × 12 / 11 ]
= 70 / 30 + 12 / 33
= LCM of 30 and 33 = 330
= 210 / 330 + 120 / 330
= 330 / 330
= 1
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