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Problem #4 · July 31, 2026

Common fractions

Calculate: 512+1112\frac{5}{12}+\frac{11}{12}.
  1. A1131\frac{1}{3}
  2. B23\frac{2}{3}
  3. C12\frac{1}{2}
  4. D55144\frac{55}{144}
  5. E11121\frac{1}{12}

WORKED EXAMPLE

Solution

Since the denominators are equal, add only the numerators: 5+1112=1612\frac{5+11}{12}=\frac{16}{12}. Simplify by dividing the numerator and denominator by 4: 43\frac{4}{3}. Converting to a mixed number gives 43=113\frac{4}{3}=1\frac{1}{3}.
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