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scoundrel [369]
3 years ago
15

What is 4/5-1/3?I read online that it is 7/15 but how is it?

Mathematics
2 answers:
Ghella [55]3 years ago
7 0
Multiply the common denominators
4/5(3/3)-1/3
4/5(3/3)-1/3(5/5)
4*3/15 - 1*5/15
4*3 - (1*5)/15

7/15
user100 [1]3 years ago
5 0
Hey there!

You have to find a common denominator. That is 15. So multiply 4/5 by 3 on the bottom and top to get 12/15. Multiply 1/3 by 5 to get 5/15. The equation is now 12/15-5/15. 12-5=7. You don’t change the denominator though, so the answer would be 7/15.

I hope this helps!
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