Using distributivity, find : (i) [7/5 × ( -3/12)] + [7/5 + 5/12]
(ii). [ 9/16 × 4/12 ] + [9/16 × (-3/9)]
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Answer:
(i) [7/5 x (-3/12)] + [7/5 x 5/12]
= 7/5 x (-3/12 + 5/12)
= 7/5 x 2/12
= 14/60
= 7/30
(ii) [9/16 x 4/12] + [9/16 x (-3/9)
= 9/16 x (4/12 + -3/9)
= 9/16 x (4/12 - 3/9)
= 9/16 x (12/36 - 12/36)
= 9/16 x 0
= 0
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