divide the sum of 4/5 and 6/7 by their difference
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Sum of 4/5 and 6/7
= LCM of 5 and 7 is 35
= 7×4 +5×6 /35
=28 + 30 /35
=58 /35
Difference of 4/5 and 6/7
LCM of 5 and 7 is 35
=7×4 - 5×6 / 35
= 28 - 30 / 35
= -2 / 35
Divide 58 /35 ÷ -2 / 35
= 58 /35 × 35 / -2
= - 53 /2
= - 26 whole 1 by 2
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