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Anonymous
a/7 + a/4 = 4a/28 + 7a/28 = 11a/28
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7/4
4/7
-3
You don't. 4/7=4/7, unless you are looking for a complex fraction.
yes it would be 1 over 4
2/5(9-7)/(1+4)Simplify 9-7 to 2.2/(1+4)Simplify 1+4 to 5.2/5
It will remain the same as 4/7 which can't be simplified any further
2 0ver 7 or 0.2857
20/35 simplifies to 4/7
Yes and it is: 32/56 = 4/7
Divide both by 4 and you get 7/8