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James is 13 years old and his brother is 6 years older than him. Express james's age as a fraction of his brother's age.

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Shaundavidcalfoviz
James' age is 13. If his brother is 6 years older than James, then we could express his brother's age as 13+6.
  13+6 = 18. So, James' brother is 18 y.o.
If James is 13 y.o. and his brother is 18 y.o., then the fraction of James' age to his brother's age is 13/18.
KianTubalinalviz
the answer is 1/2, i think