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Add 27/45 and 28/21

1st number: 27/45, 2nd number: 1 7/21

27/45 + 28/21 is 29/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 21 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    27/45 = 27 × 7/45 × 7 = 189/315
  3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
    28/21 = 28 × 15/21 × 15 = 420/315
  4. Add the two like fractions:
    189/315 + 420/315 = 189 + 420/315 = 609/315
  5. 609/315 simplified gives 29/15
  6. So, 27/45 + 28/21 = 29/15
    In mixed form: 114/15

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