Add and Subtract Fractions with Different Denominators
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EXAMPLE 4.67
Add: \(\dfrac{1}{2}+\dfrac{1}{3}\).
EXAMPLE 4.68
Subtract: \(\dfrac{1}{2}-\left(-\dfrac{1}{4}\right)\).
EXAMPLE 4.69
Add: \(\dfrac{7}{12}+\dfrac{5}{18}\)
EXAMPLE 4.70
Subtract: \(\dfrac{7}{15}-\dfrac{19}{24}\).
EXAMPLE 4.71
Add: \(-\dfrac{11}{30}+\dfrac{23}{42}\).
EXAMPLE 4.72
Add: \(\dfrac{3}{5}+\dfrac{x}{8}\).