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Add 60/21 and 21/54

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

60/21 + 21/54 is 409/126.

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,
    21/54 = 21 × 7/54 × 7 = 147/378
  4. Add the two fractions:
    1080/378 + 147/378 = 1080 + 147/378 = 1227/378
  5. 1227/378 simplified gives 409/126
  6. So, 60/21 + 21/54 = 409/126
    In mixed form: 331/126

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