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Add 72/54 and 63/42

1st number: 1 18/54, 2nd number: 1 21/42

72/54 + 63/42 is 17/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 42 is 378
  2. For the 1st fraction, since 54 × 7 = 378,
    72/54 = 72 × 7/54 × 7 = 504/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    63/42 = 63 × 9/42 × 9 = 567/378
  4. Add the two fractions:
    504/378 + 567/378 = 504 + 567/378 = 1071/378
  5. After reducing the fraction, the answer is 17/6
  6. In mixed form: 25/6

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