A)-6 whole 1 the fifth to divide on (3 whole two fifth - 1 whole 1 the third) b) - 3 whole 2 of the third to increase by 1 whole 1 the second - 1 whole 1 the second to increase by 1 whole 1 the second.

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- 6 1/5: (3 2/5 - 1 1/3) = - 3 1) 3 2/5 - 1 1/3=3 6/15 - 1 5/15=2 1/15 2) - 6 1/5: 2 1/15 = - 31/5: 31/15 = - 31/5 - 15/31 = - 3. -3 2/3 * 1 1/2 - 1 1/2 * 1 1/2 = - 1 1/2 * (3 2/3+1 1/2) = - 3/2 * (3 4/6+1 3/6) = - 3/2 * 5 1/6 = - 3/2 * 31/6 = - 31/4 = - 7 3/4
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Answer add