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Add 42/28 and 45/84

1st number: 1 14/28, 2nd number: 45/84

42/28 + 45/84 is 57/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 84 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    42/28 = 42 × 3/28 × 3 = 126/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    45/84 = 45 × 1/84 × 1 = 45/84
  4. Add the two fractions:
    126/84 + 45/84 = 126 + 45/84 = 171/84
  5. 171/84 simplified gives 57/28
  6. So, 42/28 + 45/84 = 57/28
    In mixed form: 21/28

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