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Add 27/40 and 18/35

27/40 + 18/35 is 333/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 35 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    27/40 = 27 × 7/40 × 7 = 189/280
  3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
    18/35 = 18 × 8/35 × 8 = 144/280
  4. Add the two like fractions:
    189/280 + 144/280 = 189 + 144/280 = 333/280
  5. So, 27/40 + 18/35 = 333/280
    In mixed form: 153/280

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