Evaluate
\frac{7c-4b}{a+b}
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\frac{7c-4b}{a+b}
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\frac{10c-6b-\left(3c-2b\right)}{a+b}
Since \frac{10c-6b}{a+b} and \frac{3c-2b}{a+b} have the same denominator, subtract them by subtracting their numerators.
\frac{10c-6b-3c+2b}{a+b}
Do the multiplications in 10c-6b-\left(3c-2b\right).
\frac{7c-4b}{a+b}
Combine like terms in 10c-6b-3c+2b.
\frac{10c-6b-\left(3c-2b\right)}{a+b}
Since \frac{10c-6b}{a+b} and \frac{3c-2b}{a+b} have the same denominator, subtract them by subtracting their numerators.
\frac{10c-6b-3c+2b}{a+b}
Do the multiplications in 10c-6b-\left(3c-2b\right).
\frac{7c-4b}{a+b}
Combine like terms in 10c-6b-3c+2b.
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