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Add 60/21 and 42/54

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

60/21 + 42/54 is 229/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 54 is 378
  2. For the 1st fraction, since 21 × 18 = 378,
    60/21 = 60 × 18/21 × 18 = 1080/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  4. Add the two fractions:
    1080/378 + 294/378 = 1080 + 294/378 = 1374/378
  5. 1374/378 simplified gives 229/63
  6. So, 60/21 + 42/54 = 229/63
    In mixed form: 340/63

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