What is 13/9 + 7/9?
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This is how we add
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Step 1Since our denominators match, we can add the numerators. 13 + 7 = 20 The sum we get is
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Step 2The last step is to reduce the fraction if we can. To find out, we try dividing it by 2... No good. So next you try the next prime number, which is 3... No good. So next you try the next prime number, which is 5... No good. So next you try the next prime number, which is 7... No good. So next you try the next prime number, which is 11... No good. 11 is larger than 9. So we're done reducing. And we're done! Here's the final answer to 13/9 + 7/9
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© 2014 Randy Tayler