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Add 27/42 and 90/63

1st number: 27/42, 2nd number: 1 27/63

27/42 + 90/63 is 29/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 63 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    27/42 = 27 × 3/42 × 3 = 81/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    90/63 = 90 × 2/63 × 2 = 180/126
  4. Add the two fractions:
    81/126 + 180/126 = 81 + 180/126 = 261/126
  5. 261/126 simplified gives 29/14
  6. So, 27/42 + 90/63 = 29/14
    In mixed form: 21/14

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