Write the following as a single fraction in its simplest form - Junior Cycle Mathematics - Question c - 2011

Question c

Write the following as a single fraction in its simplest form.
$$\frac{x+2}{3} - \frac{x-3}{4}$$
Worked Solution & Example Answer:Write the following as a single fraction in its simplest form - Junior Cycle Mathematics - Question c - 2011
Step 1: Find a common denominator

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The denominators are 3 and 4. The least common multiple (LCM) is 12.
Step 2: Rewrite each fraction with the common denominator

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3x+2=124(x+2) and 4x−3=123(x−3).
Step 3: Subtract the fractions

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124(x+2)−3(x−3)
Step 4: Simplify the numerator

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Expanding gives us: 4x+8−3x+9=(4x−3x)+(8+9)=x+17.
Step 5: Final answer

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12x+17.
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