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Add 42/2 and 45/84

1st number: 21 0/2, 2nd number: 45/84

42/2 + 45/84 is 603/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 84 is 84
  2. For the 1st fraction, since 2 × 42 = 84,
    42/2 = 42 × 42/2 × 42 = 1764/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    45/84 = 45 × 1/84 × 1 = 45/84
  4. Add the two fractions:
    1764/84 + 45/84 = 1764 + 45/84 = 1809/84
  5. 1809/84 simplified gives 603/28
  6. So, 42/2 + 45/84 = 603/28
    In mixed form: 2115/28

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