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Add 27/45 and 1/42

27/45 + 1/42 is 131/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    27/45 = 27 × 14/45 × 14 = 378/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    1/42 = 1 × 15/42 × 15 = 15/630
  4. Add the two like fractions:
    378/630 + 15/630 = 378 + 15/630 = 393/630
  5. 393/630 simplified gives 131/210
  6. So, 27/45 + 1/42 = 131/210

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