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Add 42/18 and 63/28

1st number: 2 6/18, 2nd number: 2 7/28

42/18 + 63/28 is 55/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 28 is 252
  2. For the 1st fraction, since 18 × 14 = 252,
    42/18 = 42 × 14/18 × 14 = 588/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    63/28 = 63 × 9/28 × 9 = 567/252
  4. Add the two fractions:
    588/252 + 567/252 = 588 + 567/252 = 1155/252
  5. 1155/252 simplified gives 55/12
  6. So, 42/18 + 63/28 = 55/12
    In mixed form: 47/12

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