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Algebra
Question

Write the expression in lowest terms. Assume that all variables represent positive real numbers.

5) $$\frac { 90 + 54 \sqrt { 2 } } { 63 }$$

A) $$\frac { 30 - 18 \sqrt { 7 } } { 21 } \quad$$ B) $$\frac { 90 + 18 \sqrt { 7 } } { 7 } \quad$$ C) $$\frac { 10 + 6 \sqrt { 21 } } { 7 } \quad$$ D) $$\frac { 30 + 34 \sqrt { 21 } } { 7 }$$