Divide the sum of 65/13 and 5/7 by their differences.
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sum of 65/13 and 5/7
=65/13+5/7
=65*7/13*7+5*13/7*13
=455/91+65/91
=520/91
difference of 65/13 and 5/7
=65/13 -5/7
=65*7/13*7-5*13/7*13
=455/91-65/91
=390/91
dividing 520/91 by 390/91
=520/91÷390/91
=520/91*91/390
=520/390
=4/3
hope it helps you
=65/13+5/7
=65*7/13*7+5*13/7*13
=455/91+65/91
=520/91
difference of 65/13 and 5/7
=65/13 -5/7
=65*7/13*7-5*13/7*13
=455/91-65/91
=390/91
dividing 520/91 by 390/91
=520/91÷390/91
=520/91*91/390
=520/390
=4/3
hope it helps you
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